--- ________ David be the new chairperson of the Students’ Union?
--- He _______ be， but I’m not sure.
| A．Can； can’t | B．Can； may |
| C．May； must | D．May； mustn’t |
The actress is already 50, but she looks ______ than she really is.
| A．young | B．more young | C．more younger | D．much younger |
–I feel a bit hungry now.
-- Why not _____ for dinner with us?
| A．go | B．did you go | C．to go | D．do you go |
–Excuse me, can I smoke here?
--No, ______.
| A．you must | B．you’d not better |
| C．you can | D．you’d better not |
May I have a rest? I have already finished ______ the report.
| A．write | B．writing | C．to write | D．written |
The story ______ I read the newspaper was about a common problem among teenagers.
| A．whose | B．who | C．that | D．where |