题目内容
20.You won't catch the last bus you hurry up.( )| A. | if | B. | when | C. | unless | D. | because |
分析 除非你快点,否则就赶不上末班车了.
解答 答案:C;if,如果;when,当…的时候;unless,除非;because,因为;根据句意"你快点you hurry up"和"You won't catch the last bus你将赶不上末班车了"可知原句中后句是前句的条件,而且是否定的条件,用unless引导,unless=if not"除非,如果不";故选C.
点评 连词在句子中主要起联系上下文的作用,他们之间的区别就是表示逻辑关系的不同,所以在解题时先要理解上下文含义,然后根据上下文逻辑关系选择合适的连词.
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