I think it could be six but if you mean their is 3 more dancers added then it would be 9 singers
D. Mrs. Mallard had loved her husband, but she is happy that she is free.
I think this is accurate, and out of the options it looks like the best choice, but I am not certain.
1. The
2.The
3.The
4.The
7.(According to your numbering) A
8.The
9.A
10.A
11.A
12.A
13. No article
14.A
15.The
16.No article
17.The
18. No article
19.a/an (it depends on different pronunciations around the world, I suggest you second check this with your school)
20.The
Hello there!
Old scratch is an archetype of villain.
I hope that helps!