21. а) раскройте скобки и употребите глаголы в соответствующей форме. there (to be) various forms of government restrictions and regulations in economies. for example, turkey and norway both (to limit) profits of firms, the latter also (to control) prices and wages; in bolivia the tin mines (to nationalize)', in china communes (to establish)', in cuba the government (to own) many industries and firms; and in britain eight basic industries (to nationalize). a free market economy (to be) rare in the world. the level of economy regulation (to be) different in different countries. in some countries it(to grow) in recent years, in others more freedom (to grant) to firms and individuals. but the general tendency (to be) to keep government regulation at quite a high level. б) напишите к тексту четыре вопроса: общий, специальный, альтернативный и разделительный.

There (are) various forms of government restrictions and regulations in economies. For example, Turkey and Norway both (limit) profits of firms, the latter also (controls) prices and wages; in Bolivia the tin mines (are nationalized)', in China communes (are established)', in Cuba the government (owns) many industries and firms; and in Britain eight basic industries (are nationalized).
A free market economy (is) rare in the world.
The level of economy regulation (is) different in different countries. In some countries, it (has grown) in recent years; in others more freedom (is granted) to firms and individuals. But the general tendency (is) to keep government regulation at quite a high level. б)

Are there various forms of government restrictions and regulations in economies? общий
Where are the tin mines nationalized? специальный
Does the government own many industries and firms in Cuba or in Britain? альтернативный
The level of economy regulation is different in different countries, isn't it? разделительный.