Public service ads, also PSAs, often _________ for free, _________ to educate people about health, safety or any other problem that affects public welfare.
| A．run; meant | B．are run; are meant |
| C．are run; mean | D．run; are meant |
---Mary, I heard there was an explosion in Luzhou. Could you tell me how it _______?
---Sorry, I don’t know much about it either.
| A．came on | B．came about | C．came out | D．came over |
. Can you tell me the way you think of________ the problem?
| A．to work out | B．working out | C．work out | D．to work |
----Do you mind if I record your lecture?
----_______. Go ahead.
| A．Never mind | B．No way | C．Not at all | D．No. You’d better not |
I can’t stand _______ with Jane in the same office. She just refuses _______ talking while she works.
| A．working; stopping | B．to work; stopping |
| C．working; to stop | D．to work; to stop |
The _____ on her face suggests that she didn’t pass the driving test.
| A．appearance | B．impression | C．attitude | D．expression |