Relationships

1)I'm sorry, but I can't spend time with Karen. She really gets ........ my nerves.
a) in
b) under
c) on
2)
I think it would be best if you kept Chris at ........ length. You don't seem to be getting on very well with each other lately.

a) hands
b) arms
c) fingers
3)
They both met at the local art class and really ........ it off.

a) hit
b) knocked
c) banged

1(c) / 2(b) / 3(a)