________ is a good habit for students.
| A．Using the Interner everyday |
| B．Watching TV over 3 hours a day |
| C．Exercising every morning |
| D．Drinking coffee before going to bed |
--- Have you seen the film Titanic?
---No , but I ________.
| A．didn’t | B．haven’t | C．am going to | D．am not going to |
---- 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