13 " if i were you, i wold buy this english dictionary" daisy said to mary 
-> daisy advised ...........mary to buy this english book
14 Ba is the tallest boy in his class 
-> nobody .......in his class is as tall as ba
15 we started to live in this house in 2001
-> we ............have lived in this house since 2001
16 nam couldn't go to school esterday because he was ill
->if you ..........
câu này có khả năng cậu chép sai phần viết lại
--> bacause of his ill, nam nam couldn't go to school yesterday
--> because nam was ill, so he couldn't go to school yesterday
17 what a pity ! i didn't have enough money to buy that interestinng book
-> i wish .........I had had enough to buy that interestinng book