Is it John that is being scolded in the manager’s office?
No. It ______ be him. I saw him on the way just now.
| A．mustn’t | B．won’t | C．can’t | D．may not |
I’d rather you did some housework when you are free ,but you______ .
| A．didn’t | B．shouldn’t | C．weren’t | D．don’t |
—We need a person badly to think up such an idea .
—_____ the new comer have a try ?
| A．Shall | B．May | C．Should | D．Need |
—Where ____ Margaret have put the empty bottles?
—She ______ them away. They must be somewhere.
| A．can; can’t have thrown | B．must; needn’t |
| C．must; must have thrown | D．can; must throw |
—Why aren’t they here yet?
—They_____ the bus.
| A．can have missed | B．must be late for |
| C．may have missed | D．might be late for |
—Dad, would you buy me an MP3 player if I do well in the final exam?
—I _____, I promise.
| A．would | B．shall | C．should | D．will |