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.

There's no bus now, and we can't get home _______ by taxi.

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

If you want to work in the company , you will have to ____to the working conditions

You’ve missed your ______ to speak and you have to wait for another round.