题目内容
【题目】I kept on_________ him the whole day.
A. call B. called C. calls D. calling
【答案】D
【解析】
句意:我给他打了一整天的电话。根据on介词,后用doing形式;故选D
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题目内容
【题目】I kept on_________ him the whole day.
A. call B. called C. calls D. calling
【答案】D
【解析】
句意:我给他打了一整天的电话。根据on介词,后用doing形式;故选D