问题 选择题

He ______ at the meeting, but his heart attack prevented him.

A.will speak

B.is going to speak

C.had to speak

D.was going to speak

答案

答案:D

由题意“他本来打算在会上发言,但……”可知应该用过去将来时,只有D是过去将来时的形式。

不定项选择
问答题 简答题