问题

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

正确答案是：

同类题型

There are ___months in a year and December is the ______month of a year.

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Congratulations! Among the best pictures in the competition, I found .When did you draw it—During the trip to the Purple Mountain in May, 2014.