Which do you think is , Chinese or English—It’s hard to say. I think Chinese is as as English.

Why don’t we hold a party to celebrate theachievements gained by our Olympic players–__________.

The new policy will________the elders a lot that people over 65 can take buses free of charge. [ ]

If there are ______ trees, the air in our city will be _______ cleaner.

When we arrived in ________ used to be called the foggy capital，we found London completely changed.London is now one of the capital cities in the world with the finest air quality.