BASIC
1.shark
2. attack
3. risk
4. public
5. sink
6. question
7. electric
8. jacket
9. blank
10. ache
11. crooked
12. drink
13. topic
14. track
15. blanket
16. struck
17. mistake
18. junk
19. squirrel
20. stomach
REVIEW
21. quick
22. luck
23. picnic
24. week
25. sock
CHALLENGE
26. aquatic
27. squid
28. barracuda
29. speckled
30. peculiar
BASIC
1. village
2. cottage
3. bridge
4. fence
5. strange
6. chance
7. twice
8. cage
9. change
10. carriage
11. glance
12. ridge
13. manage
14. damage
15. since
16. marriage
17. edge
18. lodge
19. cabbage
20. dodge
REVIEW
21. nice
22. place
23. huge
24. judge
25. page
CHALLENGE
26. fleece
27. fragrance
28. average
29. fringe
30. excellence
BASIC
1. repaint
2. redo
3. refill
4. rebuild
5. discolor
6. untidy
7. dislike
8. uneven
9. rewind
10. unlucky
11. reread
12. unsure
13. reheat
14. unpack
15. unpaid
16. distrust
17. recount
18. displease
19. unload
20. disorder
REVIEW
21. remake
22. unclear
23. rewrite
24. unfair
25. unkind
CHALLENGE
26. redecorate
27. unfamiliar
28. unusual
29. rearrange
30. discontinue
BASIC
1. picture
2. person
3. perfect
4. attend
5. number
6. support
7. common
8. welcome
9. offer
10. expert
11. harvest
12. survive
13. suppose
14. perform
15. escape
16. helmet
17. allow
18. fellow
19. barber
20. tender
REVIEW
21. lesson
22. until
23. yellow
24. hello
25. garden
CHALLENGE
26. filter
27. candid
28. disturb
29. narrate
30. rascal
BASIC
1. current
2. danger
3. canyon
4. plastic
5. bottom
6. hollow
7. member
8. borrow
9. organ
10. compose
11. lumber
12. seldom
13. engine
14. pillow
15. carpet
16. garbage
17. master
18. arrow
19. army
20. thirty
REVIEW
21. sudden
22. follow
23. enjoy
24. happen
25. forget
CHALLENGE
26. challenge
27. vessel
28. submerge
29. eddy
30 venture
UNIT 19 UNIT 22
1. electric 31. expert
2. question 32. common
3. jacket 33. picture
4. sink 34. welcome
5. ache 35. perfect
6. blanket 36. barber
7. mistake 37. allow
8. squirrel 38. escape
9. track 39. perform
10. stomach 40. survive
UNIT 20 UNIT 23
11. change 41. canyon
12. bridge 42. organ
13. twice 43. compose
14. strange 44. danger
15. carriage 45. borrow
16. damage 46. army
17. edge 47. carpet
18. glance 48. garbage
19. since 49. seldom
20. lodge 50. arrow
UNIT 21 CHALLENGE
21. unlucky 51. unfamiliar
22. uneven 52. redecorate
23. rebuild 53. challenge
24. dislike 54. average
25. repaint 55. narrate
26. recount 56. excellence
27. unload 57. barracuda
28. disorder 58. speckled
29. unsure 59. submerge
30. displease 60. disturb