____________ the situation, Charles Yerkes undertook ____________ the system in 1902 by obtaining ownership of many different lines.
A.Seeing, improving | B.Seen , improved |
C.To see, to improve | D.Having seen, improving |
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____________ the situation, Charles Yerkes undertook ____________ the system in 1902 by obtaining ownership of many different lines.
A.Seeing, improving | B.Seen , improved |
C.To see, to improve | D.Having seen, improving |