木门框安装下脚嵌入地坪内一定深度，地面立框入地面45mm。
参考答案：错
Though I _____ the phone number many times, the foreigner still couldn't write down. [ ]
A. repeated
B. refused
C. researched
D. recognized
当今社会医疗纠纷成为了热点话题，你是怎样看待的？
