Mình tự đoán phần gạch chân như này, ko biết có đúng đề của bạn ko :)
1 music makes people different from all other animals.
What makes people different from all other animals?
2 when she came ,I was practicing my piano lesson.
What were you doing when she came?
3 my favourite composer is Chopin.
Who is your favourite composer?
4 we had to cancel our picnic because the weather was bad
Why did you have to cancel your picnic ?
5 I practice speaking English to sing English songs.
What do you practice speaking English for ?
1 Which makes people different from all other animals?
2 What was you doing when she came?
3 What is your favourite composer?
4 Why did you had to cancel your picnic?
5 How do you practice speaking English?