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 keep; have to
网友回答
(答案→)A. are not kept; will have to
B. are not kept; have to
C. do not kept ; will have to
D. do not keep; have to
解析：noise是 keep的承受者,所以用被动语态.