You are supposed to know how to use a computer=You should know how to use a computer.
You are supposed to have been studying=You should have been studying.
Students are not supposed to cook in their dormitory=Students shouldnt cook in their dormitory.
【雅思阅读知识点:动词不定式】相关文章:
★ 雅思阅读:常用词根之: viv-, vit-, vig-
★ 雅思阅读的关键词
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2016-02-26
2016-02-26
2016-02-26
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2016-02-26