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1．—Why was Jackson searching shop after shop for a sweater? —Oh, he was very______about his clothes. A．particularB．special C．curious D．unusual 解析：be particular about对……挑剔/讲究。句意：——为什么Jackson逐个商店寻找毛衣？——哦，他对服装很讲究。 答案： A 2．(2017·泰安模拟)Born into a family with three sisters, David was brought up to value the______of sharing. A．commitment B．responsibility C．competence D．sense 解析：句意：由于出生在一个拥有三个姐妹的家庭中，David养成了分享的意识。 答案：D 4．I was out of town at the time，so I don’t know exactly how it ______. A．was happening B．happened C．happens D．has happened 解析：句意：那时我出城了，因此不十分了解那件事是怎么发生的。后一句隐藏着at the time“那时”的时间状语，因此C、D两项错，“如何发生”不能用进行时态，因此A项错。 答案：B 5．With the electricity ______，all the machines stopped. A．cut off B．cut down | 
