if city noises
if city noises____from increasing,people_____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 keep,will have to d do not keep,have to
1.第一个空,噪音应被制止,应该用被动语态, keep from doing sth 固定搭配，使．．．不做某事，阻止． ２．这句话是条件状语从句，在条件状语从句中，如主句是将来时，从句用一般现在时表示． 所以选Ａ
答：If city noises are not kept from increasing,people will have to shout to be hear...详情>>
答：B 被动语态，be found to do. A中的made与found均为过去分词，冲突！详情>>
问：hArd work 和hArd--working有什么区别
答：一个是名词 一个是形容词撒详情>>
