2.Whose coat is this?

3.Don't put the desk near the bookshelf.

(B)1.When(What time)does the library open?

(A)1.She is not from the south.

2.Mr.Smith didn't speak at the meeting yesterday.

10.She was reading her book,completely　　　　 to the outside world.

9.Please　　　　 that the work is completed in time.

8.It is　　　　 to all that the World Trade Centre in New York is the highest building in the city.

7.Thomas Edison gave his whole life to　　　　 out the secret of nature.

6.In spite of his　　　　 English,he finally made himself understood.

5.It　　　　 out that only the youngest boy in our class had given the right answer.