题目内容
It’s good for your eyes to ________ the green hills for a minute or two after working for a long time.
A. look out of B. look out at
C. look out from D. look for at
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题目内容
It’s good for your eyes to ________ the green hills for a minute or two after working for a long time.
A. look out of B. look out at
C. look out from D. look for at