________ you ought to do now is to see a doctor at once.
| A．How | B．That | C．Which | D．What |
—I think everyone has a role to play in making the planet a better place.
—Yes, indeed. ______.
| A．I’m with you on that | B．That couldn’t be better |
| C．You have got something | D．I’ll do my best |
_______was not ______she took off her dark glasses _______I recognized her.
| A．It; when; before | B．It; until; that |
| C．That; after; that | D．This; when; after |
The days we look forward to ____at last.
| A．comes | B．to come | C．came | D．coming |
Determination is a kind of basic quality and this is ________ it takes to do jobs well.
| A．what | B．that | C．which | D．why |
_________ the flight to New York will be delayed is _________ I’m especially worried about.
| A．If; what | B．Whether; that |
| C．When; that | D．Whether; what |