His face looks brown because he works ____ all day.A．indoor B．outdoorC． indoors_刷题宝

题干

His face looks brown because he works ____ all day.

A．indoor

B．outdoor

C． indoors

D．outdoors

上一题下一题 0.64难度单项选择更新时间:2013-02-26 09:20:02

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