2012 bar exam answer in civil law -- meron na po ba? thanks

meron na po bang suggested answers for 2012 bar exam questions for civil law. thanks.

especially this questions po:
(Facts for item numbers 15~18)
In 1989, Charice (Filipina) and Justine (American), were married in the Philippines. In 1990, they separated and Justine went to Las Vegas where he obtained a divorce in the same year. He then married another Filipina, Lea, in Canada on January 1, 1992. They had two (2) sons, James and John (who were both born in 1992). In 1993, after failing to hear from Justine, Charice married Bugay (a Filipino), by whom she had a daughter, Regine. In 2009, Regine married James (son of Justine with Lea) in California, where such marriage is valid.
15. What is the current status of the marriage of Charice and Justine under Philippine laws?
a) Valid
b) Void
c) Voidable
d) Dissolved

16. What is the status. of the marriage between Justine and Lea under Philippine laws?
a) Valid
b) Void
c) Voidable
d) Unenforceable

17. What is the status of the marriage between Charice and Bugay under Philippine laws?
a) Valid
b) Void
c) Voidable
d) Unenforceable

18. What is the status of the marriage between Regine and James under Philippine laws?
a) Valid
b) Void
c) Voidable
d) Unenforceable


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for question #15: d
#16: a