Question

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

Answer 1

D

解析:

由題意“他本來打算在會上發(fā)言，但……”可知應該用過去將來時，只有D是過去將來時的形式。