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On the table she found a piece of paper some puzzling secret codes. [ ] A.which

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On the table she found a piece of paper some puzzling secret codes. [ ] A.which

On the table she found a piece of paper ________ some puzzling secret codes.

[]

A.which was written

B.that was written

C.on which were written

D.on that was written

试题答案

答案:C

提示:

从句可写成:some puzzling secret codes were written on the paper,故用on which。