Exercise 4. Choose the best option A, B, C or D.

51. I hope I around the world when I

older.

A. travel - am

B will travel - will be

C. will travel - am

D. travel - will be

52. This house

by my grandfather in 2007.

A. was built

B. built

C. is built

D. has built

ce3. Who do you think ________

the match?

A. is winning

B. will win

C. won D. win

54. on other planets? What do you think?

A. Will people live

B. Do people live

C. Are people living

D. Did people live

55. A new stadium

near the station now.

A. is building 16. Look at how that man is driving! He_________ an accident.

B. is being built

C. builds

D. is built

A. will have

B. is going to have

C. is having

B. is had

7. One of the most important. of energy is the sun.

A. resources

B. sources

C. means D. kinds

8. More people a green lifestyle because it is good for the environment.

A. adopt

B. conclude

C. compose

D. create

9. Here our bus. Hurry up! We it!

A. came - missed

B. come - miss

C. comes are going to miss

D. will come will miss

0. The river by poisonous chemicals for a long time.

A. was polluted

B. polluted

C. pollutes

D. has been polluted

1. The ancient houses by the fire. They are now under reconstruction.

A. were destroyed

B. destroyed

C. have destroyed

D. were destroying

2. In the agriculture, farmers try to limit the use of chemicals and fertilizers.

A. sustainable

B. conserving

C. preserving

D. supporting

3. In Singapore, people try to 80% of all waste.

A. reprocess

B. reclaim

C. recycle

D. reuse