难度：★★★★     考点：时态语态

　　21．Look！ The children ____ k ites over there.

　　A．flew

　　B．fly

　　C．are flying

　　22．She says that she ____ to Beijing next week.

　　A．has gone

　　B．will go

　　C．goes

　　23．--Tom ____ out.

　　----Oh, has he? What time ____ he ____ out?

　　A．is； did； go

　　B．went； is； going

　　C．has gone； did； go

　　D．is going； does； go

　　24．--"Where's Li Lei？ "

　　----"He ____ his sports shoes in the room. He ____ football with his friends. "

　　A．is putting on； is playing

　　B．puts on； will play

　　C．is putting on； will play

　　D．put on； played

　　25．Lucy and Lily can speak good Chinese， because they ____ China for six years.

　　A．have been in

　　B．have been to

　　C．have come to

　　D．have gone to

　　26．The two old men ____ each other since 1970.

　　A．didn't see

　　B．don't see

　　C．haven't seen

　　D．won't see

　　27．This kind of machine ____ cutting paper.

　　A．uses for

　　B．is using for

　　C．is used to

　　D．is used for

　　28．Three quarters of the world's books and newspapers ____ in English.

　　A．are writing

　　B．is written

　　C．is writing

　　D．are written

　　29．This kind of flower ____ every day.

　　A．must water

　　B．must be watered

　　C．water

　　D．will water

　　30．That house ____ in 1990. We have lived there for nearly ten years.

　　A．built

　　B．builds

　　C．is built

　　D．was built

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