1.The Williams moved to a safer area and since then they_______back to their past life.
A. wouldn't watch B. haven't looked C. didn't look D. hadn't watched
【答案】B
【解析】
【详解】考查动词时态。句意:威廉一家搬到了一个更安全的地方,自从那之后他们再没有回首过去的生活。根据空格前面的"自从那以后since then可知本题该使用现在完成时(表示从过去某一时间点发生的动作一直持续到现在)。look back to 回首,故选B。
2.—Do you know him?
—Yes,but can't remember where l________him for the last time.
A. have met B. met C. meet D. had met
【答案】B
【解析】
【详解】考查动词时态。句意:—你认识他吗?—是的,但是记不起来上次在哪里见过他。the last time提示是一般过去时,故选B。
3.The country life he was used to_______greatly since he_______.
A. changed;has left B. has changed;left
C. has changed;has left D. changed;left
【答案】B
【解析】
【详解】考查动词时态。句意:他以前熟悉的乡村的生活自从他离开发生了很大的改变,第一个空根据since的提示,主句一定要用现在完成时,第二个空since后用一般过去时。故选B。