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Themessageisveryimportant,soitissupposedassoonaspossible.A.tobesentB.tosendC.beingsentD.sending

题目详情
The message is very important, so it is supposed_____as soon as possible.
A.to be sent B.to send C.being sent D.sending
▼优质解答
答案和解析
A

be supposed to do是固定搭配。又因it(the message)与send因为被动关系,故用动词不定式的被动语态。