Young people must be ready take new challenges

There are only a few students taking part in theparty. Lily, would you please_____– OK, Mr. Wang.

Will you take a plane or train to Yunnan—By air. I will have to _______ more money, but it will _______ much less time.

I’m quite interested in Spanish history, the civil war in Spain _______.[ ]

Stephen Hawking believes that the earth is unlikely to be the only planet ________ life has developed gradually[ ]