问题
选择题
To my great surprise, I found some strangers ________ at the back of the classroom. [ ]
A. seating
B. to seat
C. sit
D. seated
答案
答案：D
搜题请搜索小程序“爱下问搜题”
To my great surprise, I found some strangers ________ at the back of the classroom. [ ]
A. seating
B. to seat
C. sit
D. seated
答案：D
缺失，双侧上颌结节过度增生，
相应牙槽嵴骨尖，
远中深龋，
远中舌尖缺损，已做完善根管充填，不松动，
智齿，远中阻生，牙石（+++）。