__ his telephone number or e-mail address, she had some difficulty getting in touch with John.
#94411
A
Not knowing
B
Not to know
C
Not known
D
Not having known
推荐题目
The salesman scolded the girl caught ______and let her off.
#98371
A
to have stolen
B
to be stealing
C
to steal
D
stealing
 There is nothing more I can try ______ you to stay, so I wish you good luck.
#97898
A
being persuaded
B
persuading
C
to be persuaded
D
to persuade