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求英语高中作文的万能句子!有有状语从句.宾语从句的.

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求英语高中作文的万能句子!有有状语从句.宾语从句的.
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提出问题1 with the development of ..., ...has become a serious problem / .has become more and more popular. /...has become very common.2.Pose a great threat to ~~ (对...造成一大威胁) 例句:P...