Dave nearly ran into a block when walking down the street with his mind ______ on the word puzzle.
| A．to fix | B．fixing | C．fixed | D．was fixed |
Be careful how you _____ that jug, it will break very easily.
| A．pour | B．operate | C．handle | D．employ |
—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 |