The boy was paid $10 for washing ten windows, most of（ ）hadn’t been cleaned for at least a year.
A.正确答案Dthose
B.these
C.that
D.which
The boy was paid $10 for washing ten windows, most of（ ）hadn’t been cleaned for at least a year.
The boy was paid $10 for washing ten windows, most of（ ）hadn’t been cleaned for at least a year.
A.正确答案Dthose
B.these
C.that
D.which
