If city noises ______ from increasing, people ______ shout to be heard even at the dinner table 20 years from now.
A、
are not kept; will have to
B、
are not kept; have to
C、
do not kept; will have to
D、
do not kept; have to
【正确答案】
A
【答案解析】
条件状语从句中的主语为city noises，谓语应用keep...from doing的被动形式；根据时间状语20 years from now可以判断主句用一般将来时态。故选A。
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