Since 2000，Jingmen has become a new city．Everything________．
| A．is changed |
| B．was changed |
| C．had changed |
| D．has changed |
— Jason, I have helped you wash your clothes.
— _______________
| A．You’re welcome. |
| B．I don’t know. |
| C．Well done! |
| D．Thank you very much. |
— Where’s your father, Tom?— He _________ to Changsha.
| A．goes | B．go | C．has gone | D．has been |
I don’t want to live in the city center ________ it’s too noisy.
| A．that | B．when | C．because | D．before |
The Greens _________ in China since 1999. They are having a happy life.
| A．have lived | B．has lived | C．are living | D．lived |
Did you enjoy _________ in Hong Kong?
| A．stay | B．staying |
| C．stayed | D．to stay |