题目内容
16.A good teacher must be able to hold his students'attention ____ he reaches the end of the class.( )A. | when | B. | after | C. | until | D. | unless |
分析 一个好老师必须能够抓住学生的注意力,直至一堂课结束为止.
解答 答案为C
解析:本题考查时间状语从句中连词的选择,主句为A good teacher must be able to hold his students'attention,一个好老师必须能够抓住学生的注意力;从句__he reaches the end of the class,___他结束一堂课,空格处缺少适当的连接词,根据分析,缺失的连词意思为:直至,直到,结合各个选项意思,A when 当…时; B after 在…之后; C until 直到…为止; D unless 除非,故选C.
点评 本题考查时间状语从句中连接词的选择,学生应该掌握各个连接词的词意.
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