单句改错 Building a big dam cost us a lot of money, but it is beneficial in a long t
来源:网络
时间:
推荐文章

单句改错
Building a big dam cost us a lot of money, but it is beneficial in a long term.
试题答案
答案:
解析:第三个a→the

单句改错
Building a big dam cost us a lot of money, but it is beneficial in a long term.
答案:
解析:第三个a→the