1. He often played football last year .

=>He used to play football last year .

2.The distance from my hometown to Hanoi is about 50 kilometres

=>It is about 50 kilometers from my hometown to HaNoi.
 

3. A horror film was watched by her last night.   

4.Although the festival took place in a remote area, a lot of people attended it.

1. He used to play football last year .
2. It is about 50 kilometers from my hometown to HaNoi.
3. A horror film was watched by her last night.   
4. Although the festival took place in a remote area, a lot of people attended it.