The maths problem is so difficult that none of them can          .

We should           students            computer games.

– These tickets are useless. Can I            ?
--Yes, but make sure you put them in the dustbin.

- How long have you      your hometown, Jack?-- Three years.

I won’t go to the concert this evening. I ________ watch the NBA on TV. It’s more exciting.

--- Don’t ________, my children. Keep working hard and you will win the match.
--- Thank you, Mr. Zhang. We’ll try our best.

We Chinese are sure nobody can ________ Diaoyu Island _______ our motherland(祖国).[来

The boy preferred _______basketball ________to music.

—How long may I______ the story book?
— For a week.
A. keep     B. lend        C. borrow

—Where is Maria ?
—She _____ England.
A.have gone to      B.has been to     C.has gone to