He is a student at Oxford University, _________ a degree in computer science.
#93082
A
to have studied
B
studied
C
studying
D
to be studying
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Mary seems _______ the bad news, for she looks nice and happy.  
#92386
A
not to have learned
B
not to be hearing
C
not having learned
D
not to be
—What made him so worried.—       his wallet.
#91811
A
Having lost
B
Losing
C
Lose
D
Lost