During the period of recent terrorist activities, people _____ not to touch and unattended bag.
| A．had always been warned | B．were always being warned |
| C．are always warning | D．always warned |
—Will you stay for lunch?
—Sorry, ________. My brother is coming to see me.
| A．I mustn’t | B．I can’t |
| C．I needn’t | D．I won’t |
How ________ you say that you really understand the whole story if you have covered only a part of the article?
| A．can | B．must |
| C．need | D．may |
—Mum, I’ve been studying English since 8 o’clock. ________ I go out and play with Tom for a while?
—No, I’m afraid not. Besides it’s raining outside now.
| A．Can’t | B．Wouldn’t |
| C．May not | D．Won’t |
—Could I borrow your dictionary?
—Yes, of course you ________.
| A．might | B．will |
| C．can | D．should |
—I hear you’ve got a set of valuable Australian coin. ________ I have a look?
—Yes, certainly.
| A．Do | B．May |
| C．Shall | D．Should |