. Вставьте пропущенные предлоги (with, from, of, to, on, in, at).
⦁ … the basis of these agreements the firm signs contracts.
⦁ Our country has trade relations … different foreign firms.
⦁ It is a country … stable economy.
⦁ Mr. Black is … London.
⦁ These telexes are … the desk.
⦁ This contact is developing … year … year.

On the basis of these agreements the firm signs contracts.Our country has trade relations with different foreign firmsIt is a country of  stable economyMr. Black is from (in) LondonThese telexes are on the deskThis contact is developing from year to year