—Could I surf the Internet for twenty more minutes, Mum?
—Oh, dear, if you________.
| A．must | B．can | C．may | D．should |
Weather ______, we’ll go out in the New Year’s holidays.
| A．permitted | B．permitting |
| C．being permitted | D．permits |
If your knowledge can be in some way _______ with my experiences, we are sure to succeed.
| A．joined | B．united |
| C．connected | D．combined |
You'd better ______ your expenses on clothes.
| A．cut up | B．cut down |
| C．cut off | D．cut out |
I saw her in the office this morning. She ______ back to work without the doctor’s permission.
| A．couldn’t come | B．couldn’t have come |
| C．should have come | D．should not have come |
If you cheat in the exam, you could hardly _________ it.
| A．throw away | B．get away |
| C．get away from | D．get away with |