4) 1. I usually say: hi, I'm fine, thanks, and you?
2. yes, I do.
3. I always reply questions about myself and my school with a smile
4. yes, I try to reply text messages at once
5) 1. yes, I think, it's easy to be fair.
2. yes, I can
3. yes, I think so
4. yes, it is
6) 1 I hold it at my desk hook
2. no, I don't
3. I never do it
7) 1. yes, I do
2. I think, no, they aren't