Remember that there is still one point ____ we must make clear at the conference tomorrow.
| A．where | B．why | C．when | D．that |
By looking at a problem in as many ways as possible, creative thinkers can find solutions that would _______ remain invisible．
| A．otherwise | B．yet | C．already | D．fo rever |
—What do you think of the performance today?
—Great! but a musical genius could perform so successfully.
| A．All | B．None | C．Anybody | D．Everybody |
Get out of here at once. _________ not, I’ll phone the police.
| A．Since | B．If | C．Why | D．When |
she is not so cheerful she used to be?
| A．How is it that；as | B．Why is it that；what |
| C．Is it why；that | D．How it is that；as |
—I’ve never found a better job and I’m so glad.
—_______.
| A．I don’t think so | B．Too bad | C．Congratulations | D．Don’t worry |