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 boss (discuss) the inquiry for boilers at the moment. 5. which of you (receive) some foreign businessmen tomorrow?