题目内容
（请给出正确答案）
[主观题]
Two-thirds of his property ______ lost in the fire.A．wereB．areC．had beenD．was
Two-thirds of his property ______ lost in the fire.
A．were
B．are
C．had been
D．was
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老年期最常见的功能性精神障碍为（）
A．老年疑病症
B．离退休综合征
C．老年抑郁症
D．老年焦虑症
E．老年痴呆症
