Our government is taking action to improve the environment.
| A．make…worse | B．make…better | C．make…different | D．make…the same |
_____ exciting job it is to work as a guider in such a big mall.
| A．What a | B．What an |
| C．What | D．How |
It’s very nice of you to _____ so much time showing me around your school.
| A．cost | B．have | C．spend | D．take |
I don’t like traveling by air _____ you usually have to wait for hours before the plane takes off.
| A．though | B．but | C．because | D．so |
Of all the five dictionaries, which do you think is _____ ?
| A．more useful | B．the most useful |
| C．more usefully | D．the most usefully |
--Can you help me to _____ my dog when I leave for Hong Kong? -- Sure.
| A．look after | B．look for |
| C．look at | D．look through |