My son is not as hardworking as yours

10. My son is not as hardworking as yours.
Your son
11. Travelling by bus is safer than travelling by bike.
Travelling by bike is......
12. No one in my class is as tall as Tam.
Tam is the ......
13. I can't cook as well as my mother.
My mother can cook..........
14. He does not play tennis as well as Jack.
Jack can
15. I did not spend as much money as you.
spent.........
You
16. No cars in the world are more expensive than Japanese ones.
Japanese cars
giúpppp mìnhhhh nha điiii