2. 外语
  3. Pollution has become a serious problem in almost all the big cities of the world. City people are becoming more and more worried

Pollution has become a serious problem in almost all the big cities of the world. City people are becoming more and more worried

admin2014-08-07  63
问题    Pollution has become a serious problem in almost all the big cities of the world. City people are becoming more and more worried about how they can  (11)   pollution. They are also concerned about whether the government is doing enough to  (12)   the e
  
选项
答案creating
解析 因为放在介词without之后，所以用动名词形式。
转载请注明原文地址:https://www.kaotiyun.com/show/5RMK777K
本试题收录于： 大学英语三级B级题库大学英语三级分类
0

大学英语三级B级

大学英语三级

相关试题推荐
随机试题
最新回复(0)