11. The teacher asked me where my father worked 
12. A tourist asked how far from HCM City to Vung Tau
13. She asked Lan how many people in her family 
14. Tam’s friend asked him how long he stay in England 
15. The teacher asked Lien what Lien’s hobby was
16. She asked Ba why he collected waste paper
17. Hoa asked her parents when they would visit Hanoi
18. Mrs Brown asked Thomas what language he spoke
19. Jane told her brother where he was then
20.  My mother told me why I didn’t do my homework 
21.  John asked his friend what his new English teacher was
22.  The doctor asked the woman how often she went swimming 
23.  Mary asked Peter where he would  spend his vacation this summer