It’s _________unlucky day today because I lost_______useful book.
| A．an; an | B．a; an |
| C．a; a | D．an; a |
Hold on to your dreams, _____ one day they may come true.
| A．and | B．but | C．so | D．or |
It’s _____ rather cold. I shall put my coat on.
| A．getting | B．looking |
| C．starting | D．feeling |
- So far, our country _____ a lot.
- Yes, I agree with you.
| A．change | B．changed |
| C．changes | D．has changed |
The panda is a kind of animal _____ can be found only in China.
| A．who | B．whose | C．which | D．where |
- Mom, shall we have dinner now?
- No, we don’t have dinner _____ your father comes back.
| A．until | B．since | C．while | D．after |