问题
单项选择题
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
答案
参考答案：A
解析：[专家点评] 本题应用keep…from doing sth．的被动形式。