Explorer Robert Ballard searched the sunken ship---the Titanic for more than 20 years and also, with his cameras, he _____ the hole along the side of the ship which had caused it to fill with water and sink.
#103294
A
could find
B
managed finding
C
succeeded to find
D
was able to find
推荐题目
 —Where do you think__he__the computer? — Sorry. I have no idea.
#104418
A
has ; bought
B
/; bought
C
did ; buy
D
had ; bought
During the last three decades, the number of people participating in physical fitness programs___ sharply.
#100578
A
was increasing
B
has increased
C
had increased
D
will be increasing
We must give up the project now. We _____ money. 
#101247
A
are running out of
B
will run out of
C
had run out of
D
have run out of