1. All our English teachers are ________________speakers.
A. nation
B. original
C. native
D. foreign
2. Don’t drink that water. It’s ________________ .
A. contaminated
B. damaged
C. dumped
D. clean
3. The sight of too many advertising bill boards, overhead poles and shop signs causes ___________ pollution.
A. air
B. light
C. noise
D. visual
4. The heavy rain has caused in many parts of the country.
A. storms
B. floods
C. drought
D. volcano
5. Australia is home to ________________animals like kangaroos and koalas.
A. only
B. rare
C. unique
D. precious
6. Nam asked Peter what he was doing ________________ .
A. now
B. ago
C. today
D. then
7. Americans rarely shake hands to say goodbye, except ____________business occasions.
A. on
B. during
C. at
D. in
8. Astronauts use ________________to move around when they are on the Moon’s surface.
A. spaceships
B. flying saucers
C. moon buggies
D. space cars
