After I ______ for half an hour, I realized that he was not coming.A、have waited

游客2023-10-04 47

问题 After I ______ for half an hour, I realized that he was not coming.

选项 A、have waited
B、waited
C、had been waiting
D、was waiting

答案 C

解析该句的主句是一般过去时 (realized) ，从句的谓语动词 (wait) 表示的动作发生在主句谓语 (realize) 之前，构成了过去的过去，也就是过去完成时，而且已经持续了一段时间，所以应该用过去完成进行时，表示动作 (wait) 发生在过去的过去，并一直持续到了过去某一时间。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3071493.html

相关试题推荐

随机试题

最新回复(0)

NotuntilIbegantowork______howmuchtimeIhadwasted.A、haveIrealizedB、