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We won’t keep winning games _______ we keep playing well.?
A.becauseB.unless
C.whenD.while
B?
句意为“如果我们不继续好好训练的话,我们就不能继续赢得比赛了/除非我们好好训练,否则我们就不能继续赢得比赛”。选项中只有unless可以表示“如果不,除非……否则……” 。
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