Many schools will not open for lessons until the beginning of September.

There is a large amount of energy wasted due to friction(摩擦).

Beijing Olympic Games can make Chinese people work harder.

How long do you watch TV every day?

It was two weeks before Christmas, and Mrs Smith was very busy. She bought a ...

- Allow me to introduce myself. I'm Li Hua.- _________

- Do you happen to have twenty dollars with you? - _________ - I want to ...

- Do you know where I can find a supermarket?- _________A. Ask others. B. Arou

- Do you mind if I open the window?- _________A. Yes, please B. Thank you C. N

Do you think this is a nice place? _________

[交际用语] I'd like to book a room, please.- _________

[交际用语]Our apartment is dirty.- _________A It is hot today. B I think it is not

[交际用语]- Have a nice holiday!- _________A You have it too. B You do too. C The

[交际用语]- May I speak to Dr. Brown?- _________A Yes, he is not in at the moment.

[交际用语]- Excuse me, would you like to try our specialty for today?- _________A

—All the evidence points to the fact ______ he is the murderer?A. who B. which C

—These desks and chairs ______to the children in the mountain villages next w...

—When father was young, he ______from morning till night.A. was made work B. was

The manager will not______us to use his car.A. have B. let C. agree D. Allow

—Why does he look sad?-There are so many problems ______.A remaining to settle