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1/
1. (-) Our house doesn't have a yard.
(?) Does your house have a yard?
2. (-) There isn't a park near the hotel.
(?) Is there a park near the hotel?
3. (-) She doesn't live in a house near a lake.
(?) Does she live in a house near a lake?
4. (-) He doesn't work in a factory.
(?) Does he work in a factory?
5. (-) They don't have literature on Tuesday.
(?) Do they have literature on Tuesday?
6. (-) Lan doesn't take a shower every morning.
(?) Does Lan take a shower every morning?
7. (-) Those are not her pencils.
(?) Are those her pencils?
8. (-) I don't watch television every night.
(?) Do you watch television every night?
9. (-) His mother doesn't do the housework every day.
(?) Does his mother do the housework every day?
10. (-) Her brother and sister don't play sports after lunch.
(?) Do her brother and sister play sports after lunch.
2/
1. Where does Mai live?
2. Where does Nam's father work?
3. Where do they work?
4. Where does he go?
5. Where does she work?
6. How many brothers and sisters do you have?
7. How many bookstores are there near your house?
8. Where do you eat?
9. Where is the cat?
10. What do you do in the afternoon?