A. We took pictures of the beautiful countryside.

B. We rode a bike for three people

C. In the afternoon, Mum ate some bad fruit and didn't feel well.

D. We bought some gifts and ate some delicious food

E. We dressed up and made a funny play

F. Max liked Robin very much, but Robin didn't like it.

____

一个几何体的三视图如图所示,则该机合体的体积为(   )

I ____ and saw the teacher ____ the door.