Here are the reported speech transformations for the sentences you provided:
### Reported Speech (Questions)
1. Phong asked Peter if he enjoyed reading.
2. Hoa asked Lan if she 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 next morning.
6. Tam asked Peter if he had gone to Hue three years ago.
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 here for five days.
10. She asked Ba if he had been reading that book at 8 o’clock the previous Sunday.
### Reported Speech (Statements)
1. I asked him where he had put it.
2. They asked where my school was.
3. Bill asked me where he would go the next day.
4. Mary asked me when I had picked Ann up.
5. John asked when the teacher would get back.
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