【題目】Jack is so ____that he often leaves his homework at home.

A. careless B. tidy C. careful D. difficult

【答案】A

【解析】句意：杰克是如此的粗心以至于他經(jīng)常把作業(yè)忘在家里。A. careless 形容詞，粗心的； B. tidy形容詞，整齊的； C. careful 形容詞，細(xì)心的； D. difficult形容詞，困難的。根據(jù)句意和選項(xiàng)可知選A

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