E - mail is very popular today. People hardly post letters, _____?
| A．did they | B．do they | C．didn’t they | D．don’t they |
The rain forests in this area _______ smaller.
| A．is becoming | B．are becomeing |
| C．is getting | D．are getting |
The doctors did what they could _____ the dying man.
| A．save | B．to save | C．saved | D．saving |
--- Where is Mr. Lee at the moment?
--- He _____ chess with his neighbour, but I’m not sure.
| A．maybe play | B．may be play |
| C．may be playing | D．must be playing |
In order _______ late, many students get up very early every morning.
| A．not be | B．to be | C．to not be | D．not to be |
We should spend ______ money solving ______ problems.
| A．more, more | B．less, more |
| C．fewer, more | D．fewer, less |