9. "When will your father leave Vietnam for the USA?" Phong asked Thu 10. "How many books do the students need?" The librarian asked myteacher 11."Where are you going?". Lan asked. 12. Where does your father work?", the teacher asked me. 13."How far is it from Ho Chi Minh City to Vung Tau?" A tourist asked. 14. "How many people are there in your family?", She asked Lan. 15. "How long will you stay in England?. Tam's friends asked him.