2) ---> How much does this dictionnary cost?.
3) ----> Tim’s collection has over eight hundred stamps.
4) ---->How old is your daughter , Mrs Mai?
5)-----> Because Lan was sick so she didn't go to school yesterday.
6) ---->You'd better not eat too much meat.
7) ----> What is the weight of the chicken?.
           What is the chicken's weight?
8)----> My brother is interested in literature a lot.

2.How much does this dictionary ?
3.Tim's collection has eight hundred stamps.
4.How old is her daughter ?
5.Because Lan was sick so she didn't go to school .
6.You'd not better eat too much meat .
7.What is the chicken's weight ?
8.My brother is interested in literature .

Ex 9:
8. Yes,it is 
9. We can leans many things from books.
10. Books help us deciding problems in life .

2, How much does this dictionnary cost?
3, Tim’s collection has over eight hundred stamps.
4, How old is your daughter,Mrs Mai?
5, Because Lan was sick so she did not go to school yesterday
6, You would better not eat too much meat
7, What is the weight of the chicken?.
8, My brother is interested in literature a lot
Bài 9 :
9, Yes,it is
10, From books
11, Books help us deciding problems in life