选择句子补全对话。（共10分）
Sarah: .
Sarah: .
Peter:Thanks.Do you have a computer room?
Sarah: .It’s on the first floor.
Peter:Oh,so many computers. .
Sarah:Yes,it is. We have many books.
Peter: ?
Sarah:Oh,It’s 4 o’clock.It’s time to go home.
Peter: .
Sarah:Yes,it is.I have an umbrella.Go with me.
Peter:Thanks.
Listen! The girls ______ in the classroom now.
A. singB. sings C. are singing
______ dress is it? It’s Amy’s.
A. What B. Which C. Whose
______ is going to play with you? Mary.
A. What B. Who C. When
______ are you going to swim? At two.
A. What B. Where C. When
I like ______ insects.
A. watchB. watching C. watches