He decided to work __________ than last year.

We haven’t got enough books for everyone to have one: some of you will have to ______.

The light is still on in his room. Do you know ?— Maybe he has to study for a test.

Have you heard of Steven Jobs, the co-founder and CEO of Apple? —- Yes, but it’s a pity that he has _____ for a half year..

Is this man your friend?一Yes，．