--Li Mei usually helps others, ________?
--Yes, she is kind-hearted.
| A．does she | B．is she |
| C．doesn’t she | D．isn’t she |
Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes ______.
| A．favorable |
| B．precious |
| C．essential |
| D．worthwhile |
Giving up my job to go back to full time education was a big ______, but now I know it was the best decision I ever made.
| A．project |
| B．commitment |
| C．competition |
| D．ambition |
When Peter speaks in public, he always has trouble ______ the right things to say.
| A．thinking of |
| B．to think of |
| C．thought of |
| D．think of |
The “Chinese Dream” is ______ dream to improve people’s well-being and ______ dream of harmony, peace and development
| A．the; a |
| B．a; a |
| C．a; the |
| D．the; the |
Carbon dioxide, which makes a _____ between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.
| A．difference |
| B．comparison |
| C．connection |
| D．barrier |