In view of all sorts of rumors and guesses, experts carried out some careful and scientific research and         the possibility of a second earthquake in this area.

4．If people feel hopeless, they don’t bother to _____the skills they need to succeed.

15. I     play football than basketball．

It’s time for supper, katty. Don’t _____there any longer. Get up and ___the table.

Nowadays, most young people enjoy ______ on the Internet.