If industrial pollution______from increasing, people______stay at home even on the sunny day in future.

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问题 If industrial pollution______from increasing, people______stay at home even on the sunny day in future.

选项 A、is not kept: have to
B、do not kept: will have to
C、is not kept: will have to
D、do not kept: have to

答案C

解析 句意:如果工业污染持续增加,人们在晴朗的日子也将不得不待在家里了。连接词if引导的条件状语从句中,如果主句用的是一般将来时,那么从句要用一般现在时。此题符合条件状语从句中的主将从现的用法,前一空用到了被动语态的句式,谓语动词应用is。所以本题的答案选C。
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