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        1.  — 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

          選C。


          解析:

          should have的后面省略了come。should have come表示“本應(yīng)該而實(shí)際上沒有”。

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