1, How old is your younger sister?
2, How does Lan often go to school?
3, What is Lisa are doing at the moment?
4, What did Xuan give you on your birthday?
5, How is her voice?
6, When did you win the first prize in a competition?
7, Where is your mother at the moment?
8, Why was Lan absent from school?
9, How are the questions in this examination?
10, When do they often go to every summer holiday?
11, Why was the teacher so angry?
12, Whom does Jin often play soccer with every afternoon after school?
13, Who is the best student in your class?
14, How many books and pens are there on the table?
15, where are they planting some roses?
16, How much time does Nam often watch TV?
17, Who does Duc often visit on the weekend?
18, How long did you stay in Korean?
19, When did Trang buy a half kilo of cheese?
20, How long does it usually take you to get to school on foot?
Chúc bạn sức khỏe và học tốt nha!!!