1. We started learning English 4 years ago
2. He used to be late for class.
3. John advised Mary not to lend that man any more money
4. Your brother uses the Internet every day, doesn't he?
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1. Living in the city is noisier than living in the country
2. My father gave up smoking 3 years ago
3. If you don't study hard, you will fail the exam
4. I enjoy listening to music