Choose the word in each group that has the underlined part pronounced differently from the rest:

1. a. remained   b. explored   c. separated   d. travelled

2. a. society   b. geography   c. dry   d. sandy

3. a. loose   b. smooth   c. food   d. flood

Choose the word which is stressed differently from the rest:

4. a. habitant   b. different   c. industry   d. introduce

5. a. medicine   b. endanger   c. addition   d. survival

6. a. derive   b. provide   c. modern   d. depend

Choose the one word or phrase - a, b, c, or d - that best completes the sentences or substitutes for the underlined word or phrase:

7. I do not mind at all. You _______ apologize.

a. shouldn't   b. needn't   c. mustn't   d. oughtn't to

8. Ted's flight from Amsterdam took more than 11 hours. He _______ exhausted after such a long flight now.

a. must be   b. must be being

c. must have been   d. should have been

9. The lamp _______ be broken. Maybe the light bulb just burned out.

a. should not   b. might not   c. must not   d. will not

10. It is a top secret. You _______ tell anyone about it.

a. mustn't   b. needn't   c. mightn't   d. won't

Choose the best sentence that can be made from the words given:

11. we / dependent / nature / cannot survive ourselves / without wildlife

a. As we are dependent on nature and we cannot survive ourselves without wildlife.

b. We dependent on nature and therefore cannot survive ourselves without wildlife.

c. We are dependent on nature and so cannot survive ourselves without wildlife.

d. We are dependent on nature and cannot survive ourselves without wildlife.

12. environmental education / help / spread / environmental awareness / share practical techniques / solve the environmental problems

a. Environmental education to help for spreading environmental awareness and sharing practical techniques to solve the environmental problems.

b. Because environmental education helps to spread environmental awareness and shares practical techniques to solve the environmental problems.

c. Environmental education helps to spread environmental awareness and shares practical techniques to solve the environmental problems.

d. Environmental education that helps to spread environmental awareness and sharing practical techniques to solve the environmental problems.