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8. As the cost of wireless service has steadily dropped over the last year and as mobile phones have become increasingly common, many people are finding that they can avoid toll charges on their home phones, using their mobile phones for making long-distance calls at night or on weekends, at a time which many wireless companies provide unlimited airtime for a small monthly fee.
(a) phones, using their mobile phones for making long-distance calls at night or on weekends, at a time which (b) phones, instead using mobile phones to make long-distance calls during the night or weekends, during which (c) phones by using their mobile phones to make long-distance calls at night or on weekends, when (d) phones using their mobile phones for make long-distance calls during night or weekends, when (e) phones when using their mobile phones to make long-distance calls at night or weekends, a time which
读题的时候就知道要有by的出现,表示用某种方法达到某种效果。当看选项的时候马上就排除了A B, B的话更明显,因为instead使意思反了。
C是正确答案,做题的时候不肯定,因为后面一句 when...fee, 应当是作非限制性定语从句来解释前面的 night or weekend. 但是又么有看过有用when开头的非限。
OG的解释都是从by入手。
是不是应该把这句看做时间状语呢?如果是,具体是怎样?是不是应该没有逗号隔开呢?求解答!
谢谢!! |
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