题目内容
【题目】He had been so absorbed __________ watching the car passing by that he didn't notice his friends __________.
A. to;coming B. in;to come C. on; coming D. in; coming
【答案】D
【解析】本题考查短语及句型搭配。be absorbed in全神贯 注于;notice sb. doing sth. 注意到某人在做某事。句意: 他很专注地在观察过往车辆以至于没有注意到朋友的 到来。
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