Special attention should be paid _______ our earth from _______.A．to protect; b_刷题宝

题干

Special attention should be paid _______ our earth from _______.

A．to protect; being polluted

B．to protecting; being polluted

C．to protect; polluting

D．to protecting; polluted

上一题下一题 0.64难度单项选择更新时间:2015-07-08 09:50:43

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