【題目】There will be more pollution ________more people use the public transportation,

A.untilB.unlessC.while

【答案】B

【解析】

句意:除非更多的人使用公共交通工具,否則會(huì)有更多的污染。

考查連詞辨析。until直到……;unless除非;while當(dāng)……時(shí)候。根據(jù)“more people use the public transportation,”可知此處用unless引導(dǎo)的條件狀語從句,遵循主句用一般將來時(shí),從句用一般現(xiàn)在時(shí)態(tài)。根據(jù)題意,故選B

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