- Do you think Mom and Dad_______ late?
- No. Swiss Air is usually on time.

Because of the cold weather, half of the children________ill for a week.

Over the few years, he________ much. He used to be quiet, and now he is still.

—When did the new Wenfeng Shopping Mall open?
—It ________ for nearly half a year.

If nobody breaks the traffic rule, the Chinese style of crossing the road _________.

It is said that over 50 percent of China’s population _________ working in the cities in 2013, so there are fewer and fewer people on the farm now.

— ___________Mr Zheng ___________ Beijing last week?
— No, but he ___________ Beijing with his son next year.

Mr Sun __________ get out because he _________ his leg.

--- It’s so cloudy. I think it       .    ---I think so.

We'll go on a field trip if it _______ this weekend.