I became a teacher 15 years ____. I have been a teacher ____ 1997. I have taught here ___about 15 years .
| A．ago , since , for | B．ago , for , since |
| C．ago , before , for | D．ago , in , after |
Everyone should do something ______ wild animals.
| A．to protect | B．protecting | C．protect | D．to protecting |
— We’re going to play in Jinshan Park this week.
— Really? ______!
| A．Enjoy yourselves | B．Congratulations |
| C．It’s nice of you | D．Come on |
It was a great day, ______ we did not enjoy it at the beginning.
| A．and | B．but | C．or | D．then |
— How is it going?
— _____ .
| A．Thank you | B．You’re welcome |
| C．Let me see | D．Pretty good |
—Would you like some more tea?
— ____ , please.
| A．No more | B．Just a little |
| C．I’ve had enough | D．Yes, I would |