高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
He paid the boy $ 10 for washing ten windows, most of ＿＿＿＿＿ hadn’t been cleaned for at least a year.
A.these
B.those
C.that
D.which
He paid the boy $ 10 for washing ten windows, most of ＿＿＿＿＿ hadn’t been cleaned for at least a year.
A.these
B.those
C.that
D.which
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