问题
选择题
20.This is the small house less than 15 square meters,under _____ roof lives a large family of three generations.
A．which
B．that
C．its
D．whose
答案
答案：D
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20.This is the small house less than 15 square meters,under _____ roof lives a large family of three generations.
A．which
B．that
C．its
D．whose
答案：D