There was nothing to prevent her from _______ so.
A. to do
B. doing
C. done
D. being done
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He was seen ________out five minutes ago.
A. go
B. to going
C. to go
D. having gone
Even though _________every opportunity, they would not try.
A. give
B. gave
C. giving
D. given
She was very sorry __________him at the airport.
A. not to meet
B. to not meet
C. to have not met
D. not to have met
The cily of London, __________repeatedly in 1940 and 1941, lost many of its famous churches.
A. bombed
B. tobomb
C. bombing
D. havingbombed
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