_________ is celebrated on September 10’.
A. National Day B. Teachers’ Day
C. Dragon Boat Festival D. Spring Festival
— Do you often go swimming_____ Sunday mornings?
— Yes. Why not _____with me this Sunday?
A. on, go B. in; to go
C. on; going D. in going
---Must I______ my camera, Lily?
---No, you______. Don’t worry. I will take one myself.
A. to take; mustn’t B. take; needn’t
C. to bring; needn’t D. bring; mustn’t
— I think students should bring mobile phones to school.
— . This can cause some trouble.
A.I agree with you B. I like this.
C. You’re right. D. I disagree with you.
— I’d like to get some flowers for Linda’s birthday.
— Flowers are too common. you get something special?
A. What about B. Why not
C. Why don’t D. What if
It become much _______ to provide enough energy for a big city with large population.
A. difficult B. more difficult
C. most difficult D. easy
