`11`.Are there forty classrooms does Thu's school have ?

`\rightarrow` Hỏi về số lượng 

`12`.Can you tell me something about your neighborhood ?

`\rightarrow` Đi sau can ĐT vẫn giữ nguyên

`13`.Nam's grandfather is the oldest in his family

`\rightarrow` Cấu trúc Câu so sánh nhất : S + be + the adj-est / the most adj

`14`.You must do your homework before going to school

`\rightarrow` Must / Mustn't + V

`15`.Children should go to bed early

`\rightarrow` Should / Shouldn't + V

`\text{@ Fox}`