____ his telephone number, she had some difficulty getting in touch with Bill.
#97339
A
Not knowing
B
Knowing not
C
Not having known
D
Having not known
推荐题目
The question is very important. It really needs _______.
#97984
A
carefully discussing
B
carefully to discuss
C
to carefully be discussed
D
being discussed carefully
______ from the top of the tower, the south foot of the mountain is a sea of trees.
#95259
A
Seen
B
Seeing
C
Having seen
D
To see
A man set off a bomb at a Russian train station on Sunday, at least 16 people in the deadly attack．
#89431
A
killed
B
kill
C
to kill
D
killing
Would you please tell me the quickest way English well?
#94328
A
to learn
B
A or D
C
how to learn
D
of learning