ПОМОГИТЕ ПОЖАЛУЙСТА!!!!СРОЧНО

Поставьте глаголы, данные в скобках, в нужную форму
1. How long you (learn) English?
2. They (begin) painting but (find) the walls (be) wet.
3. These apples (cost) 40p a bag. You (think) it is expensive?
4 Our mechanic (fix) the boiler at the moment.
5. Which of you (receive) foreigh engineers tomorrow?