`I.`

`1.` What can we do to reduce congestion traffic in big cities?

`->` congestion traffic : tắc nghẽn giao thông

`2.` How far is it from your hotel to the train station?

`3.` It is not very far from my house to school.

`4.` I think it's time to do something to reduce traffic jams in Vietnam.

`5.` Mai used to go to school on foot when she was in primary school.

`6.` In rush hour, there are often traffic jams in the city centre

`7.` In the past, people didn't use to worry about traffic congestion.

`8.` It is compulsory to wear a helmet when riding a motorbike in Vietnam.

`->` compulsory : bắt buộc

`II.`

`1.` I used to go swimming every Thursday when I was at school.

`->` Cấu trúc used to : thói quen trong quá khứ nhưng giờ không còn nữa

`+)` S + used to + Vinf

`-)` S + didn't use to + Vinf

`?)` Did + S + use to + Vinf ?

`2.` Mai went to school on foot when she was in primary school.

`->` Thì quá khứ đơn

`3.` How about cycling to the town at the weekend?

`->` How about = What about + Ving

`4.` It is about 2 kilometers from my house to the nearest bookstore.

`->` Cấu trúc : It's about + khoảng cách + from A to B 

`=` The distance between A and B is + khoảng cách

`5.` The hotel is near the airport.

`->` Dựa vào nghĩa của câu để viết lại.

`6.` How far is it from Madrid to Barcelona ?

`->` Tương tự cấu trúc câu `4`

`7.` Make a left turn into Lavalle Street and then go straight ahead.

`->` Turn left into = make a turn left into : rẽ trái vào...

`8.` Did your father use to travel to work by car?

`->` Tương tự câu `1`

I

1 What can we do to reduce congestion traffic in big cities?

 2. How far is it from your hotel to the train station?

3. It isn't very far from my house to school.

4. I think it's time to do something to reduce traffic jams in VietNam.

5. Mai used to go to school on foot when she was in primary school.

6. There are often traffic jams in the city centre in rush hour.

7. People in the past didn't use to worry about traffic congestion.

8. It is compulsory to wear a helmet when riding a motorbike in Vietnam.( Câu này ko chắc lắm)

II

1 I used to swim every Thursday when i was at school( cấu trúc used to)

2. Mai went to school on foot when she was in primary school ( thì QKD)

3. How about cycling tó the town at the weekend?( How about ( Ving -+ O)

4. It is about 2 kilometers from my house to the nearest bookstore

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

5 .The hotel is near the airport

6. How far is it from Ha Noi to Vung Tau?

( What is the distance between...and

= How far is it from ...to)

7.Make a left turn into Lavalle Street and then go straight ahead

8. Did your father use to travel to work by car?