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There is some doubt she will be able to repay the money on time.[ ]A.thatB.ifC./

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There is some doubt she will be able to repay the money on time.[ ]A.thatB.ifC./

There is some doubt ________ she will be able to repay the money on time.

[]

A.thatB.ifC./D.whether

试题答案

答案:

A