I’d like to have a try, ________ I may fail.

Did they cut themselves when they were playing with a knife—Yes. __________ of them was careful enough to keep safe．

It’s said that within five years cars will be a lot ____in our country.

I’m terribly sorry to turn you down this time, but I promise I will ________ to you next time.

________, as long as I’m with nature, I don’t care