Question

make questions: 

1. Students have to work hard at school.

2. Some of subject on Saturday are the same.

3. He's good at this subject.

Answer 1

1. How students have to work at school ?

Answer 2

1 How do students have to work at school?

2 How are some of Subjects on Saturday?

3 What is he good at?

Answer 3

1. How do students have to work at school?

2. How are some subject on Saturday?

3. What is he good at?