Вставьте нужную форму глагола to be.
1. Mathematics ... very difficult.
2. Our football team ... winners.
3. There ... many birds in the tree.
4. The dishes ... on the table.
5. My teeth ... white.
6. How many students ... there in your group?
7. ... my shirts washed yet?
8. Not many cities ... as big as Moscow. 104 Английский язык для бакалавров
9. There ... many problems in these exercises.
10. There ... two libraries in our University.