题目内容
6．The artist didn't stop improving his painting _____he got satisfied．（ ）| A． | unless | B． | because | C． | when | D． | until |
分析 艺术家不停地完善他的绘画，直到他满意．
解答 答案：D；unless除非；because因为；when当…的时候；until直到；根据句中信息The artist didn't stop improving his painting艺术家不停地完善自己的绘画，推知下句句意：直到他满意，可知该句考查固定用法not…until，直到…才；为固定用法．故选D．
点评 首先根据语境，细读选项，然后通过题干中的已供信息，捕捉到解题线索．
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