* Thú’s father reads a morning newspaper everyday, doesn’t he?
 * The teacher is going to explain a new grammar lesson, isn’t he/she?
 * Their classmates were so excited about the games yesterday, weren’t they?
 * Lan enjoys sewing clothes for her doll, doesn’t she?
 * Hoa did a lot of homework last night, didn’t she?
 * Schools may be closed if it snows heavily, may they not? (or less common: won't they?)
 * She has visited the citadel in Hue twice, hasn’t she?
 * People have to rebuild the building after fire, don’t they?
 * Their children enjoy playing computer games, don’t they?
 * You will have a cable TV soon, won’t you?
Giải thích:
 * Câu hỏi đuôi (tag question) là một câu hỏi ngắn được thêm vào cuối một câu khẳng định hoặc phủ định.
 * Cấu trúc của câu hỏi đuôi thường là: trợ động từ + đại từ nhân xưng.
 * Nếu câu khẳng định, câu hỏi đuôi thường phủ định và ngược lại.

Exercise 3: Complete the sentences with tag questions.

1. Thú’s father reads a morning newspaper every day, doesn’t he?
2. The teacher is going to explain a new grammar lesson, isn’t she?
3. Their classmates were so excited about the games yesterday, weren’t they?
4. Lan enjoys sewing clothes for her doll, doesn’t she?
5. Hoa did a lot of homework last night, didn’t she?
6. Schools may be closed if it snows heavily, mayn’t they? (or won’t they?)
7. She has visited the citadel in Hue twice, hasn’t she?
8. People have to rebuild the building after the fire, don’t they?
9. Their children enjoy playing computer games, don’t they?
10. You will have a cable TV soon, won’t you?