Nearly all educators believe that a challenging situation can often _______ the best qualities of a person.

Jessica has always been honest and straightforward, and it doesn’t matter ________ that she’s talking to.

What will global warming(全球变暖) bring us Scientists have given us a clear list.

Tom always goes jogging in the morning and he usually does push-ups too to stay _____.

The doctor __________ she sent her friend is very well known.