1 . Phủ định: They didn't go to Nha Trang last month.

    Nghi vấn : Did they go to Nha Trang last month?

2 . PĐ : He didn't play table tennis

    NV: Did he play table tennis ?

3 . PĐ : Lan didn't see you in the park last week.

   NV : Did Lan see you in the park last week ?

4 . PĐ: We didn't be in the countryside last summer

   NV: Did we are in the countryside last summer?

5 . PĐ : Mr.s Robinson didn't buy a poster

   NV : Did Mr.s Robinson buy a poster?

CHÚC HC TỐT!

MOG ĐC VOTE :3

TKS U 

1: They didn't go to Nha Trang last month

Did they go to Nha Trang last month?

2: He didn't play table tennis with his father

Did he play table tennis with his father?

3: Lan didn't see you in the park last week

Did Lan see you in the park last week?

4: We weren't in the countryside last summer

Were you in the counytryside last summer?

5: Mrs. Robinson didn't buy a poster

Did Mrs. Robinson buy a poster?