I was out of my village at the time, so I don’t know exactly how it_______about

You know what I am going to Shanghai on a free tripthis weekend.­ — _____.

. The air is getting much ____ than it was a few months ago.

A government is a group of people ______ makedecisions about the way people live.

Plastic bags won’t be allowed to be used for free in the supermarkets. They can’t _____ easily, which does great harm to our environment.