题目内容
【题目】The old clock needs every day, otherwise it will stop working.
A. to turn up
B. to wind up
C. winding up
D. wind down
【答案】C
【解析】句意:这只老钟需要天天上发条,否则它会停止工作。wmd up上发条;need to do something 需要做某事,need doing something某事需被做,用主动形式表被动。clock是动作wind up的承受者,故选C。
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