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 解析:考查短语结构以及非谓语动词.句意:这条信息很重要.所以应该尽快发送出去.be supposed to do sth.应该做某事.为固定搭配.相当于should do sth..message与send之间为被动关系.故选A项.B项中语态错误,C. D两项短语搭配错误. 答案:A 【查看更多】
