题目内容
10.They didn't go to bed_____ the work was finished.( )A. | when | B. | while | C. | until | D. | after |
分析 他们直到完成工作才上床睡觉.
解答 答案:C when,当…的时候;while,当…的时候;until,直到…的时候;after,在…之后;"not…until…"是固定用法,"直到…才…";根句中的didn't go to bed和the work was finished的关系,可知该空until,故选C.
点评 理解每个选项的基本含义及用法的不同,并注意交叉含义间的区别,然后结合语境选择正确答案.
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