Нужна помощь, пожалуйста, Безотлагательно:1. This leaving school Mark took ___ course

Нужна помощь, пожалуйста, Безотлагательно:
1. This leaving school Mark took ___ course in business studies at college.
А) a
Б) an
В) the
Г)

2. I was born in ___ North of England but the family soon moved to ___ Lewes, which is in ___ East Sussex.
А) the, , the
Б) the, ,
В) , ,
Г) , , the

3. On ___ top of all, one child was in ___ bed with ___ pneumonia.
А) the, , the
Б) , a,
В) the, the, the
Г) , ,

4. Parents and teachers share the responsibility ___ the children.
А) for
Б) on
В) from
Г) before