______ has been announced, we shall have the singing competition next month.
| A．That | B．As | C．It | D．What |
Instead of sending e-mail, Nancy talks with her mother on mobile phone once a week.
| A．the; a | B．an; the | C．an; / | D．the; an |
— Sorry, Sir. I didn’t quite follow you.
— ______. I’ll explain it to you later.
| A．Don’t mention it | B．Come on | C．That’s right | D．Don’t worry |
When you’ve finished school, don’t forget to come back to visit your school, ______?
| A．will you | B．do you | C．have you | D．won’t you |
Humans are destroying nature day by day, ________, of course, will cause punishment sooner or later.
| A．that | B．/ | C．which | D．What |
The school _______ I visited the other day was not the one _______ I once studied.
| A．that; which | B．which; where | C．where; which | D．where; where |