1. Choose the word that has the underlined part pronounced differently from the others:

- Answer: B. shaped

2. Choose the word that has the underlined part pronounced differently from the others:

- Answer: B. plumbers

3. Choose the word whose main stress pattern is not the same as that of the others:

- Answer: A. innovative

4. Choose the word whose main stress pattern is not the same as that of the others:

- Answer: D. install

5. Who looks after your children when you are away from home?

- Answer: B. for

6. We can protect our environment and save a lot of money by buying products.

- Answer: B. recycled

7. Many university students spend their summer vacation teaching people in remote areas who don't know how to read and write.

- Answer: D. voluntarily

8. We have to ____ the environment to keep it from harm before it's too late.

- Answer: B. protect

9. ____ oil is an irreplaceable natural resource, we must do whatever we can to preserve it.

- Answer: C. Since

10. Last night we came to the show on time ____ the traffic was terrible.

- Answer: D. while

11. If the TV is always on in your house, you will not reduce the ____ of electricity you use.

- Answer: B. amount

12. Careless driving also accounts ____ the increasing number of traffic accidents.

- Answer: D. for

13. "Will you join us for coffee tonight?" -

- Answer: B. I'd love to

14. ____? "That's a good idea."

- Answer: B. Why not go out for dinner

II. Look at the signs and choose the correct answers (A, B, C, or D):

15. What does sign (a) mean?

- Answer: B. This indicates that objects are capable of being recycled.

16. What does sign (b) mean?

- Answer: C. Vehicles of less than 5 tons are not allowed.