1.I have just had my lunch.I _____ it at home.

1.I have just had my lunch.I _____ it at home.
A.have had B.had had C.had D.have
2.The British farmers knew that Nathan Hale was an American spy,because they ____ that he____some drawings of their defence works.
A.found;made B.has found;made C.had found ;made D.found;had made
3.My brother_____ in the paper factory since he ____ college three years ago.
A.had worked;left B.has worked ;left C.had worked ;was leaving D.has worked ;was leaving
4.Our maths teacher ____ the post office when I ___ him.A.was passing ;saw B.passed;was seeing C.passed ;had seen D.was passing;was seeing

1.C 我已经吃过午餐了,在家吃的.用一般过去式.
2.D 过去的过去用一般完成时
3.B 现在完成时,从句用过去式
4.A 主句用ing+when+过去时

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