【題目】—What a heavy haze! The air pollution is terrible now.
—It ________ worse unless we ________ action to protect the environment.
A.is; will take
B.will be; will take
C.will be; take
D.won't be; take

【答案】C
【解析】句意：—多么大的霧霾！空氣污染現(xiàn)在很惡劣�！绻覀儾环e極參加到保護(hù)環(huán)境中來，會(huì)變得更加糟糕。此題考查unless引導(dǎo)的條件狀語從句，主句一般將來時(shí)，從句應(yīng)用一般現(xiàn)在時(shí)；根據(jù)句意，故選C。

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