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We must think twice we make the final decision.A.whenB.whileC.untilD.before

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We must think twice we make the final decision.A.whenB.whileC.untilD.before

We must think twice ______ we make the final decision.

A.when

B.while

C.until

D.before

试题答案

D

连词辨析。When当……时 ;while一边……一边;强调动作同时进行;until直到,常和not连用;before在……之前。句意:在我们做最后决定之前,我们必须思考两次。(必须三思而后行)。结合语境可知选D。

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