____________ the situation, Charles Yerkes undertook ____________ the system in 1902 by obtaining ownership of many different lines.
#65161
A
Seeing, improving
B
Seen , improved
C
To see, to improve
D
Having seen, improving
推荐题目
Although he is always coming on time,he is used     late for his class.
#84448
A
to have students
B
for students’ being
C
to students’ being
D
for students’ to be
There was so serious a matter that I had no choice but _________ the police.
#71418
A
called in
B
calling on
C
call for
D
to call in