пожалуйста, помогите!!! к предложению They write tests every day. нужно задать пять типов вопросов.

Who write tests every day?What they do every day?What they write every day?How often do they write tests?

1. Do they write tests every day?

2. Who writes tests every day?

3. What do they write every day?

4. Do they write tests every day or once a week?

4. They write tests every day, don`t they?