I think question 3 is the first choice and question 4 is the second one.
Hope this helps.
Answer:
B.) send a brief thank you note to the interviewer
Explanation:
it's a very polite thing to do.
It would be A.
That hat looks quite good on you.
You would use well to describe an action.
Some examples;
She danced well in the competition.
You speak French very well.
The cake is good.
That sweater looks good on you.
I hope this helped!
Observer. He carefully inspects everything he sees.