III. Choose A, B, C, D for each gap in the following sentences.  

1. I get bored checking the accounts. I’d prefer to do a(n) ____ job.

A. exciting as          B. more exciting      C. as exciting           D. most exciting

2. Watching TV is one of the most ____ forms of leisure activities.

A. popular                         B. populous             C. general               D. standard

3. Do you know ____ the Hmong in Sa Pa can speak English well?

A. what                             B. how                              C. why                               D. which

4. Do you know ____ girl sitting over there?

A. a                         B. an                       C. the                      D. this

5. My sister is a flight attendant. She ____ travel a lot.

A. should                           B. has to                  C. need                   D. must

6. We ____ litter around. We should keep our campsite clean.

A. mustn’t               B. don’t have to       C. shouldn’t                          D. oughtn’t

7. People say that Khang is quite ____ in public. He only loves quiet places.

A. reserve               B. reserved              C. reserving             D. reservation

8. Why don’t you do something worthwhile with your time instead of just ____ it!

A. spending             B. using                   C. wasting               D. passing

9. _________they have little in common, they are close friends.

A. But                     B. Because              C. So                       D. Although

10. It’s ____ to bring fruit and other food stuffs in your luggage into Australia.

A. illegal                 B. impossible           C. unnecessary        D. ineffective