Yes it’s good, though it’d be better if you used “Your sister and my sister are best friends, they do many things together” that (and) word doesn’t seem necessary. Hope this helped :)
Answer:
I'm going to clean the whole house before the guests come tomorrow.
Explanation:
The answer in B. "A band of angels coming after me."
D. You want it to be eye catching to the audience, but you also want it to be relevant to the subject you're talking about. A long title may bore the audience.