Food and fruit are forbidden in the library, ______ you are allowed to have drinks and sweets with you.
| A．and | B．but | C．so | D．or |
--- I didn’t believe you made such a mistake.
---Oh, I’m sorry. I did it ___________. I’m serious.
| A．on purpose | B．by accident | C．by the way | D．as for |
He lifted the receiver as soon as the telephone rang but it on the table at once.
A. lay B .lied C laid D lain
smoking is a bad habit. You should it.
| A．throw | B．get away with | C．get rid of | D．throw away |
It is thein this country to go out and pick flowers on the first day of the spring.
| A．use | B．custom | C．habit | D．normal |
Stay awake！You should know that it ________to sleep in class.
| A．doesn’t permit | B．is not permitted |
| C．will not be permitted | D．was not permitted |