—I trekked through the Amazon Jungle with my father last summer.
—_______ interesting experience you had!
A. How B. What an C. What
---- Is Ann knocking at the door?
--- No, it ______ be Ann. She has gone to Beijing.
| A．can’t | B．mustn’t | C．needn’t | D．may not |
I tried several jackets on ,but _____of them fit me well.
| A． both | B． either | C． none | D． neither |
We should never ________till tomorrow what we can do today .
| A．put on | B．put off | C．give up | D．give away |
This maths problem is so difficult that only _____students can work it out.
A a few B few C a little D little
Hurry up , ________you will be late for the meeting.
| A．and | B．or | C．so | D．but |