问题
选择题
It seemed tome that she was in doubt ____ Timmy lived or died. [ ]
A. why
B. how
C. that
D. whether
答案
答案：D
搜题请搜索小程序“爱下问搜题”
It seemed tome that she was in doubt ____ Timmy lived or died. [ ]
A. why
B. how
C. that
D. whether
答案：D
临床牙冠约6mm，