___________ has helped to save the drowning girl is worth praising.
We are glad to hear that the terrorists ________ by the brave policemen several days ago.
Math is too difficult. I want to give it up. —Please don’t. Nothing is _________if you put your heart into it.
_ may have a chance to be successful if he tries his best.
There a talk show on CCTV-3 at 8 this evening.