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6. She said that she might vvisit her parents in summer.
7. The teacher said that they could collect old book for the poor students.
8. She said that she didn't buy that books.
9. The boys said that they  had to try their best to win the match.
10. Her classmate said that Ha was the most intelligent girl in their class.

Ex2/
1. Mike asked Peter if he enjoyed reading.
2. Hang asked Nam if he liked sports.
3. She asked Nam if his sister and brother went to the same school.
4. She asked her mom if there were some oranges in the fridge.
5. He asked his friend if it would rain the following morning.
6. Tam asked Peter if he had gone to Hue three years before.
7. Tuan asked Lan if Tam and Hoa were late for class.
8. She asked me if I could speak Chinese.
9. Tam asked Thu if she would be there for five days.
10. She asked Ba if he had been reading that book at 8 o'clock the previous Sunday.

Ex3/
1. The teacher asked me where my father worked.
2. She asked John how many people there were in his family.
3. Tam's friend asked him how long he would stay in England.
4. She asked her mom what time the film began.

1. “Do you enjoy reading?” Phong asked Peter Phong said to Peter if he enjoyed reading. 2. “Does she like sports?” Hoa asked Lan Hoa told Lan if she liked sports. 3. “Do your sister and brother go to the same school?” She asked Nam She told Nam if his sister and brother went to the same school. 4. “Are there some oranges in the fridge?” She asked her mom She told her mom if there were some oranges in the fridge. 5. “Will it rain tomorrow morning?” He asked his friend He told his friend if it would rain the following morning. 6. “Did you go to Hue three years ago?” Tam asked Peter Tam told Peter if he had gone to Hue three years before. 7. “Are Tam and Hoa late for class?” Tuan asked Lan Tuan told Lan if Tam and Hoa were late for school. 8. She said to me “Can you speak Chinese?” She told me if I could speak Chinese. 9. “Will she be here for five days?” Tam asked Thu Tam told Thu if she would be here for five days. 10. “Were you reading this book at 8 o’clock last Sunday?” She asked Ba She told Ba if he has been reading that book at 8 o'clock the previous Sunday.