Themessageisveryimportant,soitissupposed

問題詳情：

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

【回答】

A 解析be supposed to do是固定搭配。又因it（the message）與send因為被動關係，故用動詞不定式的被動語態。

知識點：其他

題型：選擇題