Bài tập 1:
1. She works at a bank.
2. They usually go to the gym in the morning.
3. I don't like coffee.
4. He plays the guitar very well.
5. My sister is a doctor.

Bài tập 2:
1. She never eats fish.
2. We often watch movies.
3. I speak English fluently.
4. They do not live in this city.
5. My parents travel a lot.

Bài tập 3:
1. He doesn't like to swim.
2. She doesn't understand the question.
3. They usually don't play soccer on weekends.
4. I go to the gym every day.
5. My cat sleeps a lot during the day.