问题
选择题
| _____ many failures, I have the courage to meet all challenges. |
| A. Having experienced B. To experience C. Experienced D. Experience |
答案
答案：A
搜题请搜索小程序“爱下问搜题”
| _____ many failures, I have the courage to meet all challenges. |
| A. Having experienced B. To experience C. Experienced D. Experience |
答案：A
缺失，原塑料可摘局部义齿纵折，要求重新修复。义齿设计：
颊侧弯制卡环，
为隙卡。