31. Why don't you stop working to relax with a cup of cold tea?

Why don't we / you + V1? đưa ra ý kiến, đề nghị

to  + V1: để làm gì 

32. Would you like to go to the movie theater with us, Nam?

Would you like + to V / N ? bạn muốn gì 

go to place: đi đến đâu 

go with sb: đi với ai 

33. The classroom is smaller than the school library.

S + be + short-adj + er + than + O : so sánh hơn 

34. Their break lasts 20 minutes.

S số ít + lasts + time 

35. What do they learn in Geography class?

What: cái gì 

Wh + do + S số nhiều + V1?

36. How often does Mai Thi attend the music club?

How often: tần suất 

Wh + does + S số ít + V1? 

`color{orange}{~LeAiFuRuiHuiBao~}`