1. How Do You Do?
Everyday English by Inka Vilén 2012

2. How Do You Do?
How do you do?
Hello! Good to meet you.
Everyday English by Inka Vilén 2012

3. Nice to meet you
Nice to meet you, ...
(I'm) pleased to meet you, …
Happy to meet you, …
It's very nice meeting you, …
Pleased to make your acquaintance.
Likewise.
Everyday English by Inka Vilén 2012

4. How are you?
How are you?
How's it going?
How are you doing?
What's up? (Am)
What's new? (Am)
Everyday English by Inka Vilén 2012

5. How are you?
How are things with you?
How's life?
How's business?
How've you been?
How's the world treating you?
What have you been up to?
What have you done lately?
Everyday English by Inka Vilén 2012

6. Fine, thanks
Fine / OK / great
Fine, thanks, how are you?
I'm fine, thanks.
Thanks, things are OK.
Good, thanks. How about you?
Very well, thanks.
Everyday English by Inka Vilén 2012

7. Pretty good – Could be better
This are going well, thanks, and you?
Pretty good.
Not bad. / Not too bad. / Not so bad, thanks.
Well, so-so.
(I) can't complain.
Fair to middling.
Things could be better, thanks.
Could be better.
Everyday English by Inka Vilén 2012