24.You arrive at 7:00 am.but you arrived at 7:30 am last Saturday.Don't be late next time.A.was supposed to B.is supposed toC.are supposed to D.were supposed to 查看更多

 

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You ________ arrive at 7:00 am,but you arrived at 7:30 am last Saturday,Don't be late next time.

A.was supposed to                         B.is supposed to

C.are supposed to                                 D.were supposed to

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