1. There are 40 students in my classroom.
-> How many students are there in your classroom?
2. My brother is studying in his bedroom.
-> What is your brother doing?
3. My family usually goes to Da Lat on summer vacation.
-> Where does your family usually go on summer vacation?
4. Her children often go to the club by bike.
-> How do her children often go to the club?
5. My favorite singer is David Archuleta.
-> Who is your favorite singer?
6. The show lasts two hours and a half
How long does the show last?