问题补充：
Believe it or not, he spends of his money helping those who are in need of help.
A. two-threes
Btwo- three
C. two-third
D. two-thirds
答案：
A. two-threes
B. two- three
C. two-third
(答案→)D. two-thirds
解析：分数表达法，分子用基数词分母用序数词分子大于一时分母变复数。句意：信不信由你他把他的所有钱的三分之二用于帮助那些需要的人。
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