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 |
Liming speaks English well________he were an English boy.
| A．so that | B．even though | C．as though | D．now that |
—I will get married next week.
— ________
| A．Good luck! | B．Congratulations! |
| C．Yes, sir? | D．Oh, really? |
We ____ our breath when our teacher read the final list.
| A．took | B．got | C．held | D．saved |
Michael ____ be a policeman, for he is too short.
| A．needn’t | B．can’t | C．should | D．may |
—You didn’t seem to enjoy your meal very much.
—It’s not that. I am just ____.
| A．on a diet | B．on diets |
| C．go on a diet | D．making a diet |