2. 职称英语
  3. I______ waiting for two months by the time I received the reply.A、must beB、had

I______ waiting for two months by the time I received the reply.A、must beB、had

游客2023-11-16  45
问题 I______ waiting for two months by the time I received the reply.
选项 A、must be
B、had been
C、could be
D、must have been
答案 B
解析 动词时态题。根据题意，have been waiting for two months这件事是从过去的时间开始，一直到我收到回复。如果某一动作：(始于)过去一(延续到)另一个过去的时间，则用过去完成时，因此选择B。
转载请注明原文地址:http://tihaiku.com/zcyy/3191649.html
相关试题推荐
随机试题
最新回复(0)