難度:★ 考點(diǎn):動(dòng)詞時(shí)態(tài)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