Viết lại câu: It is a long time since she last saw her parents

6. It is a long time since she last saw her parents.
= She hasn’t…………………………………………..
7. When did you begin reading this book?
= How long have ………………………………………....?
8. This is the first time I have been abroad.
= I haven’t…………………………………………….. 
9 I haven’t gone to the zoo since last year.
= The last ………………………………………….
10. I haven’t met my aunt since I was 10 years old.
= I last ………………………………………………………