问题
选择题
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
答案
答案：B
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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
答案：B