How do you practise ....? - (speak English/ speak English every day)
How do you practise speaking English? - I speak English every day.
How do you practise ....? - (listen to English/ watch English cartoons on TV)
How do you practise listening to English? - I watch English cartoons on TV.
How do you practise ....? - (write English/ write emails to my friends)
How do you practise writing English? - I write emails to my friends.