题目内容
I'd like to have visited the Palace Museum last week, but something unexpected______to my father.
A. had happened B. happened C. has happened D. happens
B
考查动词的时态。句意:上周我本想去参观故宫,可是我父亲(上周)发生了意想不到的事情。因在上周发生,故用一般过去时。

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