You got most of them right, the only ones were these:
The concert had already started when we arrived at the theater.
Christine’s brother had left by the time she came downstairs.
I think it is c because all the others don't make sense
Answer:
I think the answer would be c
Answer:
it rlly depends
Explanation:
most of it is yes it has been more beneficial because it has helped us so we know about things going on world wide as well as giving us there perspective for it