Li Na plays____________ tennisvery well. She has become _____________first Asian woman to reach a Grand Slam(大满贯) final.

In our city, people always see the blue sky this year. What do you think of it— I think trees we plant, air our city will have.

Many Chinese airline companies had intended to get much the business,but it______so bad.

_____ many times, but he still couldn’t understand it. [ ]

We find it to do some reading every day.