33．He ____ his homework at home. He likes to finish it at school.

　A．doesn't

　B．don't do

　C．hasn't done

　D．doesn't do

32．Rice must ____ at the right time.

　A．be harvested

　B．harvest

　C．be harvesting

　D．be harvest

31．We know that this kind of bike ____ in Suzhou.

　A．is made

　B．makes

　C．is making

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

　A．built

　B．builds

　C．is built

　D．was built

29．This kind of flower ____ every day.

　A．must water

　B．must be watered

　C．water

　D．will water

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

　A．are writing

　B．is written

　C．is writing

　D．are written

27．This kind of machine ____ cutting paper.

　A．uses for

　B．is using for

　C．is used to

　D．is used for

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

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

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