6 the teacher didn't give her students a lot of homework

did the teacher give her students a lot of homework?

7 his uncle didn't take him to see cham tower

did his uncle take him to see cham tower?

8 liz didn't buy a lot of souvenir

did liz buy a lot of souvenir?

9 they didn't put the fish in a big bag

did they put the fish in a big bag?

10 ba didn't wear the cap with a dolphin on it

did ba wear the cap with a dolphin on it?

11 they didn't go to nha trang last month

did they go to nha trang last month?

12 he didn't play tennis with his father

did he play tennis with his father?

13 lan didn't see you in the park last week

did lan see you in the park last week?

14 we weren't in the countryside last summer

were they in the countryside last summer?

15 mrs robinson didn't buy a poster

did mrs robinson buy a poster?

16 liz didn't enjoy her vacation in dalat last year

did liz enjoy her vacation in dalat last year?

7)  (-)His uncle didn't take him to see Cham temple.
     (?) Did his uncle take him to Cham temple?
8)  (-)Liz didn't buy a lot of souvenirs.
     (?) Did liz buy a lot of souvenirs?
9)   (-) they didn't put the fish in a big bag.
     (?) did they put the fish in a big bag?
10) (-) Ba didn't wear the cap with a dolphin on it.
     (?) Did Ba wear the cap with a dolphin on it?
11)  (-) they didn't go to Nha Trang last month.
   (?) Did they go to Nha Trang last month?
12   (-) he didn't play table tennis with his father.
    (?) did he play table tennis with his father?
13)   (-) Lan didn't see you in the park last week.
      (?) Did Lan see you in the park last week?
14)   (-) We weren't in the countryside last summer.
     (?) were we in the countryside last summer?
15)(-) Mrs. Robinson didn't buy a poster.
    (?) Did Mrs.Robinson buy a poster?
16  (-) Liz didn't enjoy her vacation in Da Lat last year.
     (?) Did liz enjoy her vacation in DaLat last year?