Environment-friendly Olympics requires Beijing to improve its environment,       turning it into an ecology-friendly city.

Nobody could believe what Chloe says because she is ___________ changing her mind.

If they don’t change the way they’re working on the issue, the result will       turn out to be just the opposite of their wish.

I can spare you only a few minutes. Just tell me ____what happened.

 I don't mind picking up your things from the store. _______,the walk will do me good.