What would you do if you a million dollars?--I’d give it to the charityA. winB. wonC.

问题补充：

--What would you do if you a million dollars?

--I’d give it to the charity

A. win

B. won

C. will win

D. is to win

答案：

A. win

(答案→)B. won

C. will win

D. is to win

解析：句意：如果你赢得一百万美元，你会做什么？——我会把它捐给慈善团体。结合语境可知从句是对将来的假设，故从句用过去时态，选B。