THERE IS A MISTAKE IN EACH SENTENCE BELOW. UNDERLINE THE MISTAKE AND WRITE THE CORRECT SENTENCE.
EX: I am reading a book which is very interesting.
-> I am reading a book which is very interesting.
1/ My mother, that is nearly 60, is coming to live with us.
2/ Andrew has been a teacher of English since a very long time.
3/ It is not easy to grow up children in a modern world.
4/ I think we should go some sightseeing this afternoon.
5/ The room where I am staying in is very noisy.
6/ This is Peter, who his sister works at your school.
7/ Do you want to see the pictures that we took them on holiday?
8/ Have you ever considered to become a professional footballer?
9/ I will give Tania your letter if she will come to school tomorrow.
10/ I have really got to cut up smoking.