Dưới đây là các câu được viết lại dựa vào từ gợi ý:

1. **We** started cooking for the party four hours ago.
→ **It** was four hours ago that we started cooking for the party.

2. **Learning English** is quite easy.
→ **It** is quite easy to learn English.

3. **Many people** speak English all over the world.
→ **English** is spoken by many people all over the world.

4. **The yard** is too small to play soccer in.
→ **The yard** isn't large enough for us to play soccer.

5. **She** is very pleased to see her parents soon.
→ **She** is looking forward to seeing her parents soon.

6. "Help me to hang the picture," Mai said to Ba.
→ **Mai asked** Ba to help her hang the picture.

7. "I will come to see you as soon as I can," Lan said.
→ **Lan said** that he would come to see me as soon as he could.

8. **It was** such good weather that we could go swimming.
→ **The weather** was so good that we could go swimming.

9. **I would** like you to help me put the chair away.
→ **Would you mind** helping me to put the chair away?

10. **Who** wrote this book?
→ **Who is the author of** this book?