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专题综合检测(八)
1.—Look!Lucy is running around the playground.
—It be her.She has gone to the school library.
A.can’t B.mustn’t
C.needn’t D.shouldn’t
2.—Excuse me,when are we going to have the speech contest?
—I’m not sure.Ask our monitor,please.He know.
A.need B.can C.may D.shall
3.As students,we obey the school rules.
A.can B.may C.must D.could
