has coughed
since指自从,加从句的用法如下：
1) since +从句
Great changes have taken place since you left.
Considerable time has elapsed since we have been here.
2) It is +一段时间+ since从句
It is two years since I became a postgraduate student.
it seems that he since he started smoking last year.(cough)
3个回答
相关问题
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–Does your father smoke?--_________,it’s 2 years since he __
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A.He stopped smoking last year.
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"It is 3 years since he smoked." can be replaced by the foll
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he starts making mistakes ( )it seems that his mind can't co
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一句强调句It is ten years ___he smoked.为什么选择的是since而不是that?It is
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为什么?It was not until last year that he ________.
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英语翻译是不是翻译为：it is 3 years since he has smoked.
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英语翻译It's two days since he smoked.和It's two days since he be
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he has used the computer （since last year）
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It seemed that he ________ something expensive.