题目内容
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 |
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。
练习册系列答案
相关题目