I. Change into reported speech: (Statements: Câu phát biểu)
1. She said: "I can't find my umbrella."
2. Tom said: "My friend is coming next week."
3. They said: "We shall overcome this difficulty."
4. The boy said to the neighbor: "I'm going on holiday tomorrow."
5. The teacher said to him: "You must finish all these exercises before next week."
6. Peter said: "I enjoy looking at myself in the mirror."
7. Nam said: "I was at school before 7 o'clock yesterday."
8. Lan said: "I will be very busy tomorrow."
9. Thu said: "All the students will have a meeting next week."
10. Lan said: "My parents are very proud of my good marks."

Rewrite the sentences and keep them the same meaning as the first ones. (0.6 point)

1. He is the trainer, and I use his exercise routine to stay fit. 

→ He is the trainer ________________________________.

2. Although they practiced a lot, they felt stressed before the performance.

→ In ____________________________________________.

3. Would you like to camp in the desert to watch the stars at night?

→ Do you mind __________________________________?

use the correct form of the word given in each sentence :
1. the effects of smoking have been proven to be extremly ...... ( harm )
2. we can protect the environmnet by ........ air pollution ( reduction )
3. don't have the lighrs on. It wastes ........ ( electric )
4. the new appliance not only works ........... but aslo saves energy ( effect )
5. fuel ....... can be cut down by putting higt tax on imported cars ( consume )
6. I suggest collecting ..... clothes to help the poor ( use )