One of the greatest ________ of the later 20th century was a huge increase in life expectancy.
A. achieve
B. achieved
C. achievements
It's reported that they supply the organization ______ money.
A. of
B. with
C. in
It might be some time before he _________.
A. cure
B. cured
C. is cured
Even soap cannot remove this _______ the shirt.
A. from
B. of
C. to
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