题目内容

7、 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

试题答案

7、A

解析: 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。

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