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两个高中英语选择题     I was preparing dinne

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两个高中英语选择题

     I was preparing dinner in the kitchen when my son came ____ in from the yard,with a bird in his hands.

A. run  B.having run  C.  running   D.to run


2.Not all the  people are  aware of the importance  of protecting environment,nor ___ what to do in their daily life.


A. do they  know  B.they know C.are they known D.they are known


请说明理由,感激不尽.

两个高中英语选择题     I was preparing dinne
1.C.come running in 意思是"跑进来".当作固定短语记住就行了.
2.A.nor开头的句子要用倒装句,那么就只能在A和C中选择;C是被动语态,不适合此句;
因此只能选A.因为"他们不知道怎么办"是主动语态.
句意:并非所有的人都意识到了保护环境的重要性,他们也不知道在日常生活中该怎么办.