Rewrite

----- Nội dung dịch tự động từ ảnh -----
15. The book is quite worth reading. You lent me the book last week.
The book which .
16. He is overweight because he eats so much chocolate.
If he. .
17. When I was ten, I used go to school with my best friend.
At the age of ten, I always...
18. I don't normally eat at restaurants.
I'm not used . .
19. They are building a new stadium here.
A new stadium. .
20. I'm sorry I can't swim.
I wish .
21. I spend half an hour travelling to work by motorbike every day.
........
.............
.......
......