题目内容
17.My sister is having breakfast______my brother is reading English.( )| A. | before | B. | after | C. | while | D. | until |
分析 我姐姐正在吃早饭,而我弟弟正在读英语.
解答 答案:C.
before意思是"在…之前";after意思是"在…之后";while意思是"当…的时候"从句中的动作表示与主句的动作同时进行;until意思是"直到…时候才".根据"My sister is having breakfast"以及"my brother is reading English"可知主从句的两个动作同时进行,所以要用while来引导后面的从句,故选C.
点评 首先要掌握这几个连词的意思以及用法,然后结合具体的题目,就可以确定正确答案.
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