- Where’s your father?

- He’s __________ work.

   2. We’re talking ___________ Lan’s family.

   3. A farmer works hard __________ morning _________ night.

   4. My mother is a teacher. She works ___________ a primary school.

   5. Mr. Tuan is a journalist. He wirtes ___________ “Nhan Dan”.

   6. There’s a good house ___________ 27 Hai Ba Trung Street.

   7. I found a place __________ us to live in Hue.

   8. It is the highest building ____________ the city center.