—________ (   )
—They are monkeys.

A．What's this?

B．What's that?

C．What are they?

选词填空（词汇运用）
in   at   under  to   on   by   for   with
（1）What do you do ________ Sundays?   
（2）Ms Smart is on the phone ________ her friend.   
（3）Here's a book ________ you.   
（4）In Harbin, it's cold ________ winter.   
（5）The cat is ________ the chair.   
（6）Mike walks ________ school every day(每天).   
（7）Does your father go to work ________ car?   
（8）Please look ________ the bird in the tree.