Раскройте скобки, выбрав правильную форму. 1) many different languages (to speak) in the world. 2) we (to sell) a lot of equipment recently. 3) our economists (to visit) the exhibition now. 4) how (many/much) people work here? 5) he (to spend) some time in the uk last month. 6) i will be happy, when i (to pass) my exams.
2) have sold
3) are visiting
4) how many people are work here
5)spent
6)pass