1._____ wives have always played important social roles.

Question

a. President's
b. Presidents'
(B)
2.My cousin is an extremely _____ child.
a. well-behaved
b. well behaved
(A)
3. Myra will play in the _____ tennis meet.
a. allstate
b. all-state
(B)
4. _____ mother is graduating from law school.
a. Lucia's and Maria's
b. Lucia and Maria's
(B)
5.The Great Depression of the _____ was a time of great poverty in the
United States.
a. 1930's
b. 1930s
(A)
6. Captain DeSilva introduced the speaker, _____ Paul A. Ryan.
a. Colonel
b. Col.
(A)

Answer 1

Please use the same screenname for all your posts.

5 - No
http://grammar.ccc.commnet.edu/grammar/marks/apostrophe.htm

The others are fine.