Поставьте предложения с глаголами to be в прошедшее время, используя выражения в скобках.
. 1. The students are in the reading hall. ( yesterday) 2. Our teacher will be at the conference in two days. ( last month) 3. I'm glad to meet my friends. ( yesterday) 4. My brother is preparing to enter the University now (when the war began ) 5. Such problems are discussed at our meeting (two days ago)