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-Why didn't you come to Mike’s birthday party yesterday?-Well, I , but I for

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-Why didn't you come to Mike’s birthday party yesterday?-Well, I , but I for

—Why didn't you come to Mike’s birthday party yesterday?

—Well, I ____, but I forgot it

A.should

B.must

C.should have

D.must have

试题答案

C

should have+过去分词可以表示过去应该做而没有做的事情。