I didn't go to school because I was sick

IV.

1. They visited to Ho Chi Minh City 2 week ago.

2. Lan likes talking to her friends in her free time.

3. My sister always plays volleyball at the weekends

II.

1. How many hours do you sleep a night?

2. Although he is so young, he plays sports well.

III.

1. I was sick so I did't go to school

2. It is about 80km from Hanoi to HaiPhong