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【题目】If you start your homework now, you ________ it before dinner.

A.finishB.finishedC.can finishD.have finished

【答案】C

【解析】

句意:如果你现在开始做作业,你能在晚饭前完成它。

考查动词时态辨析。finish 一般现在时;finished 一般过去时;can finish 情态动词+动词原形;have finished 现在完成时。句中if表示“如果”,引导条件状语从句,且从句是一般现在时,所以主句用一般将来时、或是祈使句或含有情态动词的句子。结合以下四个选项,只有C选项是正确的,所以空格处填can finish。故选C

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