Before you pay a visit to a place of interest, look in your local library a book about it.

Zhongguancun was ________ as a special economic zone in the late 1990s.

Do you like chatting with your friends on the telephone or mobile phone—-_________. I would rather __________ QQ.

_______ do you go to the cinema– Once a week.

He can’t state clearly how long he has___________ the bicycle