—Mr. Wang, must I come again to clean the classroom on Sunday?
—No, you____ . I have asked Kate to do it.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
–Mum, ______ I visit the Movie Museum tomorrow?
--I’m afraid you can’t . It is closed on Monday .
| A．must | B．may | C．should | D．need |
Martin was so busy ______ the old that he gave up his part-time job.
| A．helping | B．helped | C．to help | D．help |
My friend invited me ______ the art club , and I accepted it with pleasure.
| A．join | B．to join | C．joined | D．joining |
Over $30,000 ______ for a children’s hospital by a British girl several months ago.
| A．is raised | B．was raised |
| C．will be raised | D．has been raised |
Tim told us that his company ______ robots to do some of the work.
| A．uses | B．will use | C．has used | D．would use |