-Believe me.all your efforts will some day. -Thanks for your encouragement. A．pa
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—Believe me，all your efforts will ______ some day.
—Thanks for your encouragement.
A．pay backB．pay down C．pay off D．pay for
试题答案
C
解析:
句意：相信我，你所有的努力总有一天会有回报的。pay back“偿还”；pay down“即时支付，付定金；(分期付款等)付额款”；pay off“付清；偿清；有回报”；pay for“为……付款”。由句意可知，C项符合题意。