`\text{1. }`It's about 100 km from Ha Noi to Thanh Hoa city.

- Cấu trúc:

    The distance + from + place + to place + is ( about) + khoảng cách

= It's+ (about)+ khoảng cách+ from + place + to place

`\text{2. }`How far is it from Hai Duong to Hue.

- Cấu trúc:

    What is the distance between + place  + and + place?

= How far is it from+ place + to place?

$\text{3. }$My father used to live in a small village when he was child.

- Cấu trúc: S+ used to+ V(inf): Diễn tả hành động thường làm trong quá khứ nhưng giờ không còn làm nữa.

`\text{4. }`Although he is so young, he performs excellently.

+ Although = In spite of

- Cấu trúc: 

- Although+ mệnh đề, mệnh đề.

- In spite of+ Ving/ N, mệnh đề

$\text{# L}$

`I.`

`25.` It is about 100km from Ha Noi to Thanh Hoa city

`-` Cấu trúc trả lời khoảng cách: The distance from ... to ... + is + (khoảng cách) ...

`=` It's + (about) + (khoảng cách) + from ... to ...

`26.` How far is it from Hai Duong to Hue?

`-` Cấu trúc hỏi khoảng cách: What is the distance between .. and ...?

`=` How far is it from ... to ...?

`27.` My father used to live in a small village when he was a child

`-` Cấu trúc: S + used to + V.. : đã từng

`28.` Although he is so young, he performs excellently 

`-` Cấu trúc: In spite of/ Despite + N/ Ving, S + V...: Mặc dù

`=` Although + S + V, S + V..: Mặc dù