Why do you want a new job_____ you've got such a good one already?
| A．that | B．while | C．which | D．when |
America is fond of carrying out hegemonism (霸权主义) all over the world. In the long run they will have to pay _____ price than September 11th.
| A．heavier | B．bigger | C．larger | D．weightier |
If you work hard, you will _____ a good teacher.
| A．have | B．make | C．follow | D．learn |
--- Who broke the window? --- I _____.
| A．had | B．broke | C．was | D．did |
—Turn off the TV, Jack. ____your homework now?
—Mum, just ten more minutes, please.
| A．Should you be doing | B．Shouldn't you be doing |
| C．Couldn't you be doing | D．Will you be doing |
—What do you think we can do for our aged parents?
—You ________ do anything except to be with them and be yourself.
| A．don’t have to | B．oughtn’t to | C．mustn’t | D．can’t |