1. Her phone is different from mine.

the same as: giống >< be different from: khác nhau 

2. I think jazz music isn't as popular as rock music.

S + be (not) +as +ADJ + as + O : ss bằng 

3. Are you interested in seeing a water puppet show?

be interested in + Ving: thích 

4. The water puppet show is performed in a pool.

S + am/is/are + V3/ed: bị động - HTĐ

5. I haven't spoken to David since Christmas.

The last time +S+ V2/ed + was+ time 

= S+ has/have + not + V3/ed+ for/since +time 

6. They cancelled the school trip because nobody wanted to go.

Clause + because  +clause: bởi vì 

7. Jim's brother plays the saxophone better than him.

S + V + better than + O : ss hơn 

8. What kind of music do you like best?

What kind of + N + do/does + S + like + best?