Помогите пожалуйста Put the verbs in brackets into past continuos or

Помогите пожалуйста Put the verbs in brackets into past continuos or past simple.
1. Я сделала
2. I ....(study) for my English test when my mother ....(come) home from work.
3. I ....(read) a book when my sister ....(leave) for the cinema.
4. Emma ....(wash) the dishes when the telephone ....(ring).
5. I ....(write) an email when the lights ....(go) out.