题目内容
【题目】He is so busy with the research _____ he has no time left for any other activity.
A. which B. that C. why D. Because
【答案】B
【解析】
试题分析：考查固定句型。句意：他过于忙于他的研究以至于他没时间去参加别的活动了。So...that...举行，太...以至于，故选B项。
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题目内容
【题目】He is so busy with the research _____ he has no time left for any other activity.
A. which B. that C. why D. Because
【答案】B
【解析】
试题分析：考查固定句型。句意：他过于忙于他的研究以至于他没时间去参加别的活动了。So...that...举行，太...以至于，故选B项。