Bài 3: Viết các câu sau ở thể khẳng định (+), thể phủ dinh (-), thể nghi vấn (?). 1. (+) He wrote a book. (-) (?) 2. (+) She was my boss. (-) (?) 3. (+) (-) They didn’t build a new house. (?) 4. (+) (-) I wasn’t at the concert last Sunday. (?) 5. (+) (-) (?) Did you buy clothes in this little shop? 6. (+) (-) (?) Were they born in Korea? 7. (+) We swam in the lake. (-) (?) 8. (+) We were at the gym last week. (-) (?) 9. (+) (-) She didn’t go to her office by car. (?) 10. (+) (-) He wasn’t a good boy. (?)

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