-- Mary, do you know if Mike to my party next week?
-- I think he will come if he ______ free.
A. will come; will be
B. will come; is
C. comes; is
-- Mary, do you know if Mike to my party next week?
-- I think he will come if he ______ free.
A. will come; will be
B. will come; is
C. comes; is