问题
选择题
Believe it or not, he spends _____of his money helping those who are in need of help.
A．two-threes
B． two- three
C．two-third
D．two-thirds
答案
答案：D
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。