Bài 2 :
1.(-) He didn't write a book.
(?) Did he write a book ?
2.(-) She wasn't my boss.
(?) Was she my boss ?
3.(+) They did built a new house.
(?) Did they build a new house ?
4.(+) I was at the concert last sunday.
(?) Was you at the concert last sunday ?
5.(+) I bought clothes in this clothes shop.
(-) I didn't buy clothes in this clothes shop.
6.(+) They were born in Korea.
(-) They weren't born in Korea.
7.(-) He didn't swim in the lake.
(?) Did he swim in the lake?
8.(-) We weren't at the gym last week.
(?) Were we at the gym last week ?
9.(+) She did gone to her office by car.
(?) Did she go to her office by car.
10.(+) He was a good boy.
(?) Was he a good boy ?
Bài 3:
1.C 2.C 3.A 4.D 5.D 6.B 7.D
8.B 9.C 10.B 11.B 12.C 13.C 14.D
