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.