11. ________ do you live? - I live in Hanoi.
A. Where B. What C. How D. Why
12. How old ________ you?
A. do B. is C. are. D. am
13. _______ is this? - It’s a pen.
A. Where B. What C. How. D. Which
14. _______ people are there in your family?
A. What B. Where C. How many D. How far
15. Mai often ________ for picnic on the weekend.
A. goes B. go C. are going D. is going