B: I don’t go to bed before 10 p.m. and I get up at 6.30 a.m. But this is different because we’ve got exams. I revise until midnight.
A: But you aren’t studying now. What are you doing?
B: I waiting for my English exam. I’m really nervous.
A: What are you drinking? Is this coffee?
B: No, I don’t like coffee. I’m drinking water to keep my brain active. It’s healthier than coffee.