题目

1、Whoever has _____ sense knows that the sun rises in the east and sets in the west.
A common B ordinary C general彻底不知道选什么,
2、Ten years had gone by _______ he came to realize what a terrible mistake he had made.
A since B before为什么不用A难道是since不能用于过去完成是吗

提问时间：2020-12-25

答案

1. common sense常识
2.答案B.十年过去了,他才意识到……
比较：Ten years have gone by since he came to live here.很明显,“他来”发生在先,“十年过去”发生在后.而第二题中,他十年后才意识到,不相同