—Now the air in our hometown is even _______ than it was before.—So we must do s

题干

—Now the air in our hometown is even _______ than it was before.
—So we must do something to stop it.

A．dirty

B．better

C．worse

D．cleaner

上一题下一题 0.65难度单选题更新时间:2019-06-30 01:44:20

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