—What does PM 2.5 mean?
—It's a professional ________ indicating the condition of air pollution.
| A．term | B．item |
| C．number | D．mark |
You can’t have finished the book yesterday, _________?。
| A．can you | B．have you | C．do you | D．did you |
The book is not popular with the youth, but ______ I think it is very good.
| A．exactly | B．personally | C．possibly | D．generally |
Sally, a shy girl, never speaks in public _______ she is asked to, never!
| A．until | B．unless | C．even though | D．as though |
Tony, mind your manners! Don’t _______ while others are talking.
| A．cut in | B．cut off | C．cut down | D．cut up |
It was ______ who suggested that he _______to New York in order to get a direct fight.
| A．her; went | B．her; go | C．she; went | D．she; go |