While crossing the street, please ________ for the coming cars.A．watch outB．tak_刷题宝

题干

While crossing the street, please ________ for the coming cars.

A．watch out

B．take care

C．watch over

D．be careful

上一题下一题 0.64难度单项选择更新时间:2013-05-18 04:13:41

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