翻译 这是他唯一的书.刚才打电话的究竟是谁?_ _ _ _ phoned just now?

问题描述:

翻译 这是他唯一的书.刚才打电话的究竟是谁?_ _ _ _ phoned just now?

是他唯一的书.
This is his only book
刚才打电话的究竟是谁?Who it is that phoned just now?