52单词网 > 高中英语 > 高中英语题库 > The air in big cities very dirty by factories. A．are often made B．is often made

The air in big cities very dirty by factories. A．are often made B．is often made

来源：网络 时间：

推荐文章

For all these years I have been working for others...
热度：
新三层板英文翻译
热度：
In some countries women are not equal citizens. . ...
热度：
-You looked unhappy yesterday at the meeting． -Wh...
热度：
fettered是什么意思?fettered怎么发音?fettered的解释...
热度：
The air in big cities very dirty by factories. A．are often made B．is often made

The air in big cities _____very dirty byfactories.

A．are often made

B．is often made

C．have often made

D．has often made

 

试题答案

【答案】

B

【解析】略

 

标签：citiesverydirtybigthe

相关推荐

相关热搜

猜你喜欢