1. Her brother is /six years old/.
=> How old is her brother?
2. /Jim/ is playing tennis in the stadium.
=> What is Jim doing in the stadium ?
3. I have English /on Tuesday and Wednesday/.
=> When do you have English ?
4. She makes /three/ dresses for her daughter
=> How many dresses does she make for her daughter ?
5. I like cartoon /because it is funny/.
=> Why do you like cartoon ?
6. There are /40 students/ in my classroom
=> How many students in your classroom?
7. My brother /is studying/.
=> What is your brother is studying ?
8. My family usually goes to /Da Lat/ on summer vacation.
=> Where does you family usually go to on summer vacction?
9. Her children often go to the club /by bike/.
=> How do her children often go to the club ?
10. The show lasts /two hours and a half/.
=> How long does the show last ?
Chúc em học tốt !