问题
选择题
Watch out! Don't get too close to the building _____ walls are being painted.
[ ]
A. of which
B. which
C. whose
D. that
答案
答案：C
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Watch out! Don't get too close to the building _____ walls are being painted.
[ ]
A. of which
B. which
C. whose
D. that
答案：C