问题

He paid the boy 10 yuan foe washing ten windows, most of ____ hadn’t been cleaned for at least a year.

A:these
B:those
C:that
D:which

正确答案是：

同类题型

Heroes are those who，givena choice between doing the right thing at great personal cost or the wrongthing for great personal benefit，＿＿＿＿theformer

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