题目内容
【题目】Having been ill in bed for nearly a month, he had a hard time __ the exam.
A. passB. to pass
C. passedD. passing
【答案】D
【解析】
考查非谓语动词。句意：由于卧病在床将近一个月之久，他非常艰难地通过了考试。have a hard time doing表示“做某事有困难”，故D项正确。
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题目内容
【题目】Having been ill in bed for nearly a month, he had a hard time __ the exam.
A. passB. to pass
C. passedD. passing
【答案】D
【解析】
考查非谓语动词。句意：由于卧病在床将近一个月之久，他非常艰难地通过了考试。have a hard time doing表示“做某事有困难”，故D项正确。