I can never forget the day _______ we worked together and the day ______ we spent together.
| A．when; which | B．which; when | C．what; that | D．on which; when |
The old castle is well _____ visiting.
| A．worthy | B．worth | C．valuable | D．reliable |
There is no____ that China will be a powerful country in the future.
| A．doubt | B．wonder | C．need | D．worry |
―I’m too tired. I want to give up.
― If you don’t ________, you’ll win in the end.
| A．lose heart | B．calm down | C．take care | D．cheer up |
---What did the Englishman say?
---Oh, he asked where ____ .
| A．did you come form | B．do you come from |
| C．you came from | D．you did come from |
The number of the students in our school ____ rising since 2006.
| A．is | B．has been | C．are | D．have been |