问题
选择题
___________ his telephone number,she had some difficulty getting in touch with Bill.[ ]
A.Not knowing
B.Knowing not
C.Not having known
D.Having not known
答案
答案：A
搜题请搜索小程序“爱下问搜题”
___________ his telephone number,she had some difficulty getting in touch with Bill.[ ]
A.Not knowing
B.Knowing not
C.Not having known
D.Having not known
答案：A