—May I smoke here?
—If you ____, choose a seat in the smoking section.
| A．should | B．could | C．may | D．must |
--- We can give you a ride into town.
--- ________ Thank you.
| A．Yes, why not? |
| B．Oh, it would be my pleasure. |
| C．Oh, that would be great. |
| D．Yes, please. |
Take your time---- it’s just_________ short distance from here to ___________ restaurant.
| A．/; the | B．a; the | C．the; a | D．/; a |
She ____ the house the whole morning but it seems to be at least an hour before she finishes it.
| A．has been cleaning | B．cleaned | C．had cleaned | D．has cleaned |
We all ____ Yang Liwei, who is the first Chinese astronaut to take a journey to space.
| A．look down upon | B．look up to | C．put up with | D．add up to |
Tom, you ____ leave all your clothes on the floor like this.
| A．mustn’t | B．won’t | C．needn’t | D．wouldn’t |