5. The birthday cake is very delicious. 

🡪 What  

6. When is her birthday? 

🡪What  ?

7. Nam works more hours than Lan.

🡪 Lan works 

8. Nile river is longer than any rivers in the world.

🡪 Nile river is

9. The school library has over five thousand books.

🡪 There are     

10. Ha Noi has many interesting places.

-> There are 

11. I have fewer toys than my younger sister.

🡪 My younger sister has 

12. Lam has ten days off for this summer vacation.

->Lam has a 

13. I often walk from home to school in ten minutes.

🡪 It takes me 

14. It takes me about two hours each day to do my homework.

🡪 I spend

15. Do you enjoy listening to music? 

-> Are 

16. Mai drinks more milk than her brother.

🡪 Mai’s brother drinks     

17. The blue dress is cheaper than the red one.

🡪 The red dress is 

18. Reading is more boring than watching TV. 

->Watching TV is 

1. It/ be/ good idea/ eat/ different/ kind/ fruit/ vegetable/ every day.

2. My brother/ not like/ ice-skating/ because/ think/ it/ dangerous.