当问别人身体怎样时，应该说：________
A. How are you?
B. How old are you?
C. Very well, thanks.
They’re playing chessthe big trees.
A. in B. between C. at
–What are you going to do? -
A. I’m skating. B. I go to the zoo. C. I’m going to skate.
–What are you doing? -.
A. I can sing. B. I’m singing. C. I am going to sing.
Whatthe children doing?
A. is B.am C. are
We can see lotsinteresting things.
A. for B. of C. in