问题
选择题
The room ______ door is painted green is our headmaster’s office.
A．whose
B．its
C．which
D．of which
答案
答案：A
定语从句考查题。先行词The room关系词 whose在从句中做定语，如果door前有定冠词the那么 D. of which 正确。 选A
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