1. Перепишите следующие предложения и переведите их на русский язык, обращая внимание на разные значения слов it, that,one.
1. It was A.A. Cournot who drew the first demand curve in the 1930s.
2. We are interested in the sweaters that we have seen here on your stand.
3. One of the companies was announced to have lost an enormous sum in that business.