一问一答，配配对。(20分)
⑴How many computers are there in your class?
⑵What do you do in your minilibrary?
⑶Is there a science corner in your class?
⑷Do you usually do group work?

A．Yes，we do.	B．We often read books.
C．There are ten computers in my class.	D．Yes，there is.