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题目
Tom was disappointed that most of the guests _________ when he _________ at the party.
A. left; had arrived B. left; arrived
C. had left; had arrived D. had left; arrived
此题应该怎样选?为什么?
可否告诉我,其结构?
及此句的意思

提问时间:2020-07-13

答案
选d
这句话是说,客人在tom到达party之前,大部分都走了
客人走在tom来之前,所以要用过去完成时态
had left
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