Choose the correct answer A, B, C or D to complete each sentence.
 
1. Don't drink that water. A. damage
 
It's B. dumped
 
C. contaminated
 
D. destroyed
 
2. If this factory continues
 
poison into the lake. All the fish will die.
 
A pouring B. dumping
 
C. pumping
 
D. sacking
 
3. I often drink coffee, but today I
 
tea.
 
A. am drinking B. drinks C. drank D. drink Speaker.
 
4. All our English teachers are nation
 
A. native
 
C. original
 
D. foreign
 
5. Typhoon are severe tropical storms. They sometimes happen in my A. stay B. home D. hometown.
 
C. house
 
6 Singapore is famous for its A. cleanliness B. cleanly C. cleaning
 
and green trees.
 
D. clean
 
in the lake has made the fish die. 7. Water
 
A. pollution
 
B. pollute C. polluted
 
D. polluting
 
8. If the air wasn't dirty, I A wouldn't sneeze B. sneeze
 
much.
 
C. would sneeze D. to sneeze 9. While she was dancing, the princess a witch.
 
A was seeing B. saw C. coe
 
D. is seeing
 
10. The government is sending A. touch
 
to the flood victims,
 
B. aid
 
C. accommodation D. provision
 
11. The river water is severely polluted, mostly B. lead to C. because
 
the dumping of raw sewage.
 
A. due to
 
D. so
 
12. Sudden changes in water temperature can
 
mass killings of fish, plants,