--- It’s the fourth time that heavy smog(雾霾) has hit the city this month.--- It’

题干

--- It’s the fourth time that heavy smog(雾霾) has hit the city this month.
--- It’s high time we _______ measures to fight air pollution.

A．will take

B．took

C．to take

D．taking

上一题下一题 0.65难度单项选择更新时间:2013-10-11 04:04:44

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