Answer:
C, "she very good-naturedly began hunting about for them"
Explanation:
I did it on edge
It's a complete sentence and has to be connected to another one
It would be C. Informal because you are suppose to start business letters with Dear (Yourname) and it's the only one that does.
Answer:
For the first part D
Explanation:
I'll let you know when i get the second part