Part 1: 11, How long have you learnt English?
12, How often do you go shopping?
13, What are they boy doing at stadium?
14, Why was he absent from school?
15, What time is it?
16, Where does your mother buy some books last afternoon? (đề có vẻ sai?)
17, Who is cooking dinner in the kitchen?
Part 2: 1, crowded
2, narrow