Choose the correct answer. There is only one correct answer for each question.

1. 

   1.   ?    Cylinder
   2.   ?    Cube
   3.   ?    Shere

2. 

   1.   ?    Cube
   2.   ?    Sphere
   3.   ?    Cylinder

3. 

   1.   ?    Cube
   2.   ?    Sphere
   3.   ?    Cylinder