121. Reindeer are highly gregarious and travel in herbs.

     ¨ç insecure           ¨è sociable               ¨é intelligent              ¨ê sought after


122. It is primarily outer electrons that determine the chemical properties.

     ¨ç describe           ¨è depend on             ¨é fix                   ¨ê focus on


123. The papaya is a tropical fruit usually eaten raw.

     ¨ç unpeeled           ¨è uncooked              ¨é unsweetened           ¨ê unsalted


124. Some experts foresee that robots will displace a sizable percentage of the work force by the year 2000.

     ¨ç predict            ¨è doubt                 ¨é threaten               ¨ê insist


125. Grant Wood's paintings are noted for the uncommon ways in which they depict familiar subjects.

     ¨ç introduce          ¨è affect                 ¨é represent              ¨ê avoid


126. His father remains aloof from the activities of his family.

     ¨ç separated from      ¨è upward of             ¨é bored with             ¨ê exhausted


127. He made one last futile effort to convince her and left the house.

     ¨ç difficult            ¨è favorable              ¨é firm                  ¨ê inefficient


128. That college will mold its opinions.

     ¨ç respect            ¨è form                  ¨é measure               ¨ê break


129. They already presented a wide ethnic diversity.

     ¨ç instrumental         ¨è artistic                 ¨é ethical                 ¨ê racial


130. The machine is out of order since last month.

     ¨ç operating          ¨è outside                 ¨é broken                 ¨ê out of repairs


131. I understand the factory is going to lay off a hundred female workers and several staff members.

     ¨ç give the leave      ¨è reinforce              ¨é dismiss                 ¨ê employ 


132. They made judicious use of government incentives.

     ¨ç legal              ¨è lawful                 ¨é wise                  ¨ê arbitrary


133. He is beginning to pick up in his studies.

     ¨ç improve           ¨è choose                 ¨é degenerate             ¨ê lift


134. That is a problem really beyond my grasp.

     ¨ç comprehension      ¨è imitation               ¨é concentration           ¨ê imagination


135. The chairman was anxious to adjourn the meeting.

     ¨ç attend             ¨è start                  ¨é address               ¨ê close


136. Will he let on  what you said?

     ¨ç take down          ¨è betray                 ¨é pretend               ¨ê conceal


137. Pure ozone is an unstable, faintly bluish gas with a distinctively fresh.

     ¨ç strangely          ¨è decidedly              ¨é slightly                 ¨ê magically


138. ¡°Are you carrying a concealed weapon?" the man asked me out of the blue.

     ¨ç dejectedly          ¨è suddenly              ¨é jokingly               ¨ê casually


139. The development was to have a profound effect on out lives.

     ¨ç deep              ¨è professional            ¨é progressive            ¨ê negative


140. A mountain's lower slops may support grass and timber, although the crest may be barren and snow-covered.

     ¨ç impressive         ¨è dangerous             ¨é smooth                 ¨ê lifeless


141. It is chloride of time that can bleach cloth satisfactorily.

     ¨ç launder            ¨è manufacture            ¨é whiten                 ¨ê protect


142. She didn't hesitate to dress him down though he was seriously injured.

     ¨ç reprimand          ¨è adorn                 ¨é make naked            ¨ê adore


143. The campers have to make do with he old equipment.

     ¨ç do without          ¨è replace                 ¨é manage with           ¨ê dispense with


144. The airplane reached such a high velocity that it broke the sound barrier.

     ¨ç speed             ¨è atmosphere            ¨é orbit                  ¨ê transmission


145. When the seed capsule of the touch-me-not plant is touched, it explodes with a loud pop.

     ¨ç turns             ¨è bursts                 ¨é falls                  ¨ê burns


146. The common cold is the most frequent and perhaps the most baffling illness of man.

     ¨ç tenacious          ¨è irritating               ¨é recurring              ¨ê perplexing


147. Some writers thrive on criticism.

     ¨ç decline            ¨è prosper               ¨é worry                 ¨ê ignore


148. You'll have to work very hard to make up for the time you lost.

     ¨ç summon           ¨è call together           ¨é arrange for            ¨ê compensate for


149. They are trying to stir up our peaceful society.

     ¨ç reinforce           ¨è agitate                 ¨é encourage             ¨ê augment


150. They cried out with a sigh that they had nothing to subsist in.

     ¨ç back up           ¨è turn to                 ¨é live on                 ¨ê fall on


151. In a market economy, a surplus of wheat results in a decrease in the wholesale price of flour.

     ¨ç an excess          ¨è an abundance           ¨é an increased quantity    ¨ê a steady supply


152. None of the people take in any periodicals.

     ¨ç deceive           ¨è admit                 ¨é transcend              ¨ê subscribe to


153. Washington Irving tended to mingle history and fiction in many of his stories.

     ¨ç distort            ¨è cherish                 ¨é blend                 ¨ê stretch


154. You seem to fool around. How can you finish the work by noon?

     ¨ç waste time         ¨è be lazy                 ¨é avoid responsibility      ¨ê be stupid


155. The twins will accept the invitation to the party with diffidence.

     ¨ç avidity            ¨è fortification            ¨é hesitation              ¨ê volition


156. Typically, ocean reefs teem with fish.

     ¨ç swarm with         ¨è are enough with         ¨é are poisonous          ¨ê are uninhabited by


157. He agreed to the plan of his own accord.

     ¨ç automatically       ¨è voluntarily             ¨é unwillingly             ¨ê unhesitatingly


158. Many people who want warm coats can buy fake furs.

     ¨ç costly             ¨è soft                  ¨é heavy                 ¨ê imitation


159. He delivered the speech in his own inimitable style.

     ¨ç extremely efficient   ¨è seldom imitated         ¨é matchless              ¨ê indescribable


160. Forests are delicate systems that, if disturbed, can be permanently destroyed.   

     ¨ç fragile            ¨è expansive              ¨é complex               ¨ê unusual