Our English teacher advises us ____________ more after class.
| A．to practice to speak | B．practicing to speak |
| C．to practice speaking | D．practicing speaking |
______ he met with the difficulty did he realize the importance of our help.
| A．Even though | B．Never until | C．Only before | D．Ever since |
There is not one of us wishes to help you . We are doing our best .
| A．who | B．that | C．as | D．but |
—Alice, you feed the bird today； ？ —But I fed it yesterday.
| A．do you | B．will you | C．didn’t you | D．don’t you |
Our school is no longer ______ is was 10 years ago, _______ it was not well equipped.
| A．what; which | B．that; which | C．what; when | D．that; where |
—I’d like to invite you to my birthday party this evening.
—Thanks, but ____ I’ll have time I’m not sure at the moment.
| A．while | B．whether | C．if | D．when |