難度：★  考點：動詞時態的用法

　　1.In order to make our home town more beautiful , trees_______ around the city every year.

　　A.plant   B.are planted   C.will plant

　　2.If Bob______away from the junkfood,he will be in good health

　　A.stay  B.will stay  C.stays

　　3.Lucy______a student last year,but now she______a teacher.

　　A.is;is   B.was；is   C.was；will be   D.is；was

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