I/

1. The heavy rain prevented us from enjoying the trip

Because the rain was heavy, we didn't enjoy the trip

2. The stomachache prevented Mr. Thanh  from enjoying the meal

Because Mr. Thanh had a stomachache, he couldn't enjoy the meal

3. Because Lan was sick, she didn't go to school yesterday

Lan's sickness prevented her from going to school

4, The storm prevented the buses from running

Because there was a storm, the buses couldn't run

5. He couldn't go to school because of his illness

His illness prevented him from going to school

6. The noise prevented me from listening to the radio

Because there was so much noise, I couldn't listen to the radio

7. Because of her laziness, she makes her parents sad

Because she is lazy, she makes her parents sad

8. Because of the toothache, I couldn't like the party

Because I had a toothache, I couldn't like the party

9. The stereo prevented Mai from enjoying the music

Because there was some stereo, Mai didn't enjoy the music

10. The headache prevented my father from enjoying the breakfast

Because my father had a headache, he couldn't enjoy the breakfast

11, Because May was ill, she didn't go to school yesterday

Mary's illness prevented her from going to school yesterday

12. The rain prevented them from going to school

Because it was rain, they couldn't go to school

13. He couldn't finish the work because of his tiredness

His tiredness prevented him from finishing the work

14. The darkness prevented me from studying

Because the room was dark, I couldn't study

15. Because of his bad marks, his parents unhappy

Because he had bad marks, his parents unhappy

16. I didn't enjoy the meal because of my stomachache

Because I had a stomachache, I didn't enjoy the meal.

I. REWRITE THE FOLLOWING SENTENCES, KEEPING THE MEANING UNCHANGED.

1. We didn’t enjoy the trip because of the heavy rain.

- The heavy rain prevented us from enjoying the trip.

- Because the rain was heavy, we didn't enjoy the trip.

2. Mr. Thanh couldn’t enjoy the meal because of the stomachache.

- The stomachache prevented Mr. Thanh  from enjoying the meal.

- Because Mr. Thanh had a stomachache, he couldn't enjoy the meal.

3. Lan didn’t go to school yesterday because of her sickness.

- Because Lan was sick, she didn't go to school yesterday.

- Lan's sickness prevented her from going to school.

4. The buses couldn’t run because of the storm.

- The storm prevented the buses from running.

- Because there was a storm, the buses couldn't run.

5. Because he was ill, he couldn’t go to school.

- He couldn't go to school because of his illness.

- His illness prevented him from going to school.

6. I couldn’t listen to the radio because of the noise.

- The noise prevented me from listening to the radio.

- Because there was so much noise, I couldn't listen to the radio.

7. Her laziness makes her parents sad.

- Because of her laziness, she makes her parents sad.

- Because she is lazy, she makes her parents sad.

8. The toothache prevented me from liking the party.

- Because of the toothache, I couldn't like the party.

- Because I had a toothache, I couldn't like the party.

9. Mai didn’t enjoy the music because of the stereo.

- The stereo prevented Mai from enjoying the music.

- Because there was some stereo, Mai didn't enjoy the music.

10. My father couldn’t enjoy the breakfast because of the headache.

- The headache prevented my father from enjoying the breakfast.

- Because my father had a headache, he couldn't enjoy the breakfast.

11. Mary didn’t go to school yesterday because of her illness.

- Because May was ill, she didn't go to school yesterday.

- Mary's illness prevented her from going to school yesterday.

12. They couldn’t go to school because of the rain.

- The rain prevented them from going to school.

- Because it was rain, they couldn't go to school.

13. Because he was tired, he couldn’t finish the work.

- He couldn't finish the work because of his tiredness.

- His tiredness prevented him from finishing the work.

14. I couldn’t study because of the darkness.

- The darkness prevented me from studying.

- Because the room was dark, I couldn't study.

15. His bad marks make his parents unhappy.

- Because of his bad marks, his parents unhappy.

- Because he had bad marks, his parents unhappy.

16. The stomachache prevented me from enjoying the meal.

- I didn't enjoy the meal because of my stomachache.

- Because I had a stomachache, I didn't enjoy the meal.