IF / PARENTS / MY / NEXT EXAM / MY / PASS / I / BE / VERY / HAPPY ...
55. If / parents / my / next exam / my / pass / I / be / very / happy /.
A. If I had passed my next exam, my parents would have been very happy.
B. If I pass my next exam, my parents will be very happy.
C. If I had passed my next exam last year, my parents will be very happy.
D. If I will pass my next exam, my parents would be very happy.