`color{lime}{#pha}`

Answer:

41. Mai is the most intelligent student in my class

`-` SS hơn nhất: S + tobe + the + adj-est/most adj + O

42. He cooks very well

`-` v + adv

43.  Let's have a cup coffee after class

`-` Why don't we + V-inf = Let's + V-inf

44. It's so warm that children can walk outside

`-` S + tobe + adj + that + S + V(s/es) + O

45. Are there over six hundred students in your school?

`-` Do/Does + S + have + N + O?

`->` Tobe + there + N + O?

41. Mai is the most intelligent student in my class.

S+ be + the most + long-adj + (N): ss nhất 

42. He cooks very well.

S + V + ADV

43. Let's have a cup of coffee after class.

Let's + V1: đưa ra ý kiến, đề nghị

44. It's so warm that children can walk outside.

S + be + so + ADJ + that + clause: quá .. đến nỗi 

45. Are there over six hundred students in your school?

Are there + số lượng + N số nhiều?

`color{orange}{~LeAiFuRuiHuiBao~}`