We all know it will be next June ______ we can really have a rest

下列短语的搭配，不完全恰当的一项是（ ）

The kind doctor did what he could the little boy with heart disease.

______ you talk or write a message to someone, you show your language skills to others

, Liz. I think I was a bit rude to you.—______, but don’t do that again!