`1`. She helped her mother although she was tired
`-` Although: Mặc dù
`-` Cấu trúc: Although + Clause
`2`. Why did they have to wear googles?
`-` Googles: Kính bảo vệ
`-` Vì sao họ phải đeo kính bảo vệ?
`3`. How far is it from your house to your school?
`-` Cấu trúc: How far + is it from pl1 to pl2?
`-` Cấu trúc tương tự: What is the distance from pl1 to pl2?
`4`. It is 3 kilometers from my house to the market
`-` Từ nhà tôi đến chợ là 3 km.
`5`. It is very important to obey the traffic rules when we use the road
`-` Việc tuân thủ luật lệ giao thông khi sử dụng đường là rất quan trọng
$#Ninetales$

`1`. Although she was tired, she helped her mother.

`-` Cấu trúc: Mặc dù...nhưng....: Although/ Though/ Even though+ SVO, S1+ V1+ O1

`2`. Why did they have to wear goggles?

`-` Câu nghi vấn ( thì QKĐ): ( WHh0 question)+ did+ S+ V+...?

`3`. How far is it from your house to school?

`-` Cấu trúc: How far is it+ from+ A+ to+ B?

`4`. It is 3 kilometers from my house to the market

`-` Cấu trúc: It is+ khoảng cách+ from+ A+ to+ B

`5`. It is very important to obey the traffic rules when we use the road.

`-` It is+ adj: Nó thì như thế nào

`-` to+ V: để làm gì