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知识要点导练知识点一across户.穿过注意across与cross的区别。1.(同义句转换)Itisdangeroustocrossthestreetnow.Itisdangeroustothestreetnow.

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知识要点导练知识点一 across 户.穿过注意across与cross的区别。

1.  (同义句转换) It is dangerous to cross the street now.

It is dangerous to the street now.

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知识要点导练1. go across