Помогите пожалуйста с 3,4,5,6 и 7. переводить не нужно, всё сделаю сама. выручитее

3)
1. is
2. were
3. will be

4)
1. Do they have five lessons every day
They dont have five lessons every day.
2. Did we have four exams last term
We didnt have four exams last term.
3. Will students have a lecture on history tomorrow
Students will not (wont) have a lecture on history tomorrow.

5)
1. He didnt get a ...
2. I passed my ...
3. They read many ...

6)
There are 2.600 universities in the USA
There are many students at the university
There is a large library at the university

7)
1. in
2. in
3. to