题目

I would appreciate ________ back this afternoon so that we can make an early decision. A．you to call                  B．you call C．your calling                 D．you're calling 答案：C　句意：如果你今天下午回电话以便于我们能早做决定我将非常感激。appreciate one's doing sth.感激某人做某事。考查appreciate后跟动名词作宾语。

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