It was ________ the trouble to explain a job fully to new employees.

If you are willing to lose weight, these tips will help you lose the last bit of ____ fat.

At times, worrying is a normal, ________ response to a difficult event or situation – a loved one being injured in an accident, for example.

---Though Liu Qiang was able to complete in thr school spring sports, he is still our hero.

Stop beating about the bush.I want a(n) __________ answer,“yes” or “no”.