Question

All of the following plural nouns except
a.flies
b.themselves.
c. ladys.
d.proofs
I am think d

All of the following compound nouns are correct except
a.editors in chief.
b.sons-in-law.
c.bird watchers.
d.mother-in-laws.
I am think b or d
Ms. Sue
Neither answer is correct.
Anonymous
for which one
Ms. Sue
All of your answers are wrong.

Anonymous
The first one is c
Ms. Sue
Yes. The first is c.