题目

it was clear that he had given us the wrong telephone number
A.gives.
B.had given
为什么要用had呢,最多也是要用have啊,感觉好奇怪啊

提问时间：2021-01-10

答案

it was clear that he had given us the wrong telephone number
因为这边主句的时态是一般过去时,从句原本的时态是一般过去时,受主句的影响,时态往前推一个,变成了过去完成时