You can't play computer games you finish your homework．( )A．becauseB．unlessC．ifD．since 题目和参考答案——青夏教育精英家教网——

题目内容

8．You can't play computer games you finish your homework．（　　）

A．

because

B．

unless

C．

if

D．

since

分析除非你完成作业，否则你不能玩电脑游戏．

解答答案：B．
本题考查的是从属连词的辨析．根据题意，从主句句意"你不能玩电脑游戏．"和从句句意"你完成作业"来看，这里需要一个表假设的连词，结合选项，unless可以引导一个表假设的条件状语从句，意为"除非"，相当于if not．故选B．

点评本题主要考查连词的用法，做此类题目一定要弄清句意，明白上下文之间的关系，才能更好地判断出所要用的连词．再就是要熟记固定短语和句型．

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