1. There (isn’t / aren’t) any letters in the mail for you today.

2. There (isn’t / aren’t any mail for you today.

3. There (is, are) a lot of problems in the world.

4. There (is, are) a hole in his sock.

5. There (is, are) over 600.000 kings of insects in the world.

6. How many kinds of birds (is / are) there in the world?

7. Why (isn’t / aren’t) there a hospital close to those villages?

8. There (was, were) a terrible earthquake in Iran last year.

9. Why (is, are) there a shortage of available apartments for rent in this city at present?

10. There (is, are) more women than men in my office.

11. There (has been, have been) a line in front of that theatre every night for the past two weeks.

12. How many wars do you suppose there (has been, have been) in the history of the world since the dawn of civilization?

Aren’t
Isn’t
Are
Is
Is
Are
Aren’t
Was
Is
Are
Has been
Have been

1. aren't

2. isn't

3.are

4. is

5. are

6.are

7. isn't

8. was

9. is

10.are

11. has been

12. have been

Russia's state library is in moscow. it is the largest library in europe and the second largest library in the world. it is also moscow's first public library. the library was built in 1862 and was called the rumyantsev library. originally the library had contained the books from count nicolai rumyantsev's book and manuscript collection. those books were presented by his children. the library grew quickly, and thousands of books were given to the library by private collectors. in 1924 the library was renamed after lenin and became the country's national library. at that time the main building of the library was founded. it took about twenty years to finish it. in 1992 the library was renamed again and became the russian state library. nowadays there are thousands of ancient manuscripts and unique documents in the library, which are read by thousands of people every day