trying
- I am trying my best to learn English, but it doesn’t work well! —Don’t worry! Regard it _____ a big challenge! [ ]
- Now the government is trying to solve the problem the school bus safety. — So we believethere will be fewer accidents in future.
- The workers are trying to ________ what’s wrong with the machine.
- Our government is trying to search for the airplane has been missing for many days.
- I have been trying my best to study English ________ I want to have a chance to be a volunteer for the Beijing Olympics. [ ]