Поставьте глаголы данные в скобках в нужную форму 1.how long you (learn) english? 2.they (begin) painting but they( not to have) enough paint 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 foregin engineers tomorrow?

1.Have you been learning English?
2.They began painting but they didn't have enough paint.
3.These apples cost 40p a bag. Do you think it's expencive?
4. Our mechanic is fixing the boiler at the moment.
5.Which of you will receive foreign engeneers tomorrow?