题目内容
【题目】The difficult problems make him __________
A. studying hard B. study hard C. to study hard D. studies hard
【答案】B
【解析】考查动词的用法。句意:这些难题让他努力学习。make sb do sth使某人做某事,故选B
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【题目】The difficult problems make him __________
A. studying hard B. study hard C. to study hard D. studies hard
【答案】B
【解析】考查动词的用法。句意:这些难题让他努力学习。make sb do sth使某人做某事,故选B