单选题：London has had some success in reducing pollution.

题目内容：

London has had some success in reducing pollution. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

请根据短文内容，回答题。Cities "Worse to Live in than 20 Years Ago"One t

请根据短文内容，回答题。Cities "Worse to Live in than 20 Years Ago"One thousand people were

分类：综合类题型：单选题

This kind of animals are on the verge of extinction, because so many are being

分类：综合类题型：单选题

Can you follow the plot?A．change B．investigate C．write D．understand

分类：综合类题型：单选题

I can no longer tolerate his impolite behaviors in the party.A．put up with B．li

分类：综合类题型：单选题

His professional career spanned 16 years.A．started B．changed C．lasted D．moved

分类：综合类题型：单选题