单选题 6. Jack , it's time for supper. You should stop ________ basketball. OK, Mom . i'll stop ______ supper. A .to play ; having B. playing ;having c. playing ; to have D. to play ; to have
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很简单选C. 因为stop doing 是指停止正在做的事，stop to do 是指停下某事去做另一件事