fill in the blank with a suitable preposition

1.I am not familiar .................. that book.Whose is it?

2 John's thermos bottle is full ............. coffee.

3.Kathy  was absent .......... class yesterday.

4.Are you ready ...... the test?

5.The school cafeteria only opens ....... lunchtime.

Find and correct mistake in these sentences.

1.London is a expensive 

2.The party was such boring that i decided to leave early.

3.The father's office are on the second floor.

4.peter earned many money last year.

5.How long does it take you getting to school.