A. Should have.
Option A is the helping verb in this scenario; The helping verb assists in the time and meaning of the verb "gone".
Answer:
See Bottom
Explanation:
D) Would be the best option as "but" is a transtion word therefore there should be a comma before it.
So the reader knows how the other characters thoughts and feeling toward the situation
Answer:
A. characteristic
Explanation:
I'm correct if I'm rwong <3