2. Change the sentences into Yes / No questions. (Thay đổi các câu thành dạng câu hỏi "Yes / No".) 1. My mother can make a costume for me. 2. She will bake a birthday cake for him. 3. The dragon dances are interesting. 4. The Rio Carnival takes place every year in Brazil. 5. They saw a fireworks display on New Year's Eve.

Để thay đổi câu khẳng định thành câu hỏi Yes/No, chúng ta thêm động từ trợ từ "do/does" vào đầu câu. Sau đó, chuyển động từ chính về dạng nguyên thể.

1. Can my mother make a costume for me?
- Yes, she can.

2. Will she bake a birthday cake for him?
- Yes, she will.

3. Are the dragon dances interesting?
- Yes, they are.

4. Does the Rio Carnival take place every year in Brazil?
- Yes, it does.

5. Did they see a fireworks display on New Year's Eve?
- Yes, they did.

Yes, they saw a fireworks display on New Year's Eve.

Does the Rio Carnival take place every year in Brazil?

Are the dragon dances interesting?

Yes, she will bake a birthday cake for him.