Answer:
A. The very idea of doing homework on a weekend would've made us depressed.
Explanation:
The grammar is correct in the sentence:
The very idea of doing homework on a weekend would've made us depressed.
Would've = contraction for would have
Answer:
1) I can go out everyday if I'm free
2) Yes, she keeps everyone calm and try to find a solution for the problem
3) Not often
4) Some songs are good and some are bad, when I listen to them I can judge them by its lyrics or tune
...
These are my answers hope it helps