__________ her son for half a month, Marcia decided to leave for Texas with the hope of finding him.
#94490
A
Not heard from
B
Having not heard from
C
Not to hear from
D
Not having heard from
推荐题目
New ideas sometimes have to wait for years before _____.
#98852
A
being fully accepting
B
fully accepting
C
having fully accepted
D
fully accepted
 The little boy still needed another 20 dollars to do with the things ________.
#91966
A
remained to be settled
B
remaining to be settled
C
remained to settle
D
remaining to settle
________ anything like this style of architecture before, we thought we were looking at giant sculptures, not buildings. 
#91675
A
We had never seen
B
Never having seen
C
Never being seen
D
Never had we seen