—Heavy smog (雾霾 )in eastern and central China seems to get more and more serious.—I agree. Something to deal with it.
---I have been to Changsha . ---. I think it's nice . A. So have I B. So I did C. So I have
--What were you and the policeman talking about? --He asked me_______.
It is usually quite warm in my hometown in March, but it_______ be rather cold sometimes.
--What do you do in the club? --One of my job is to_______ the prizes to the winners.
--Why are you taking a basket with you for shopping? --The stores doesn't_______ plastic bags for shoppers to protect the environment.