John fell asleep _______ he was listening to the music
A. after
B. before
C. while
D. as soon as
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They didn't start the work ______ their teacher came back
A. until
B. while
C. as soon as
D. if
She knew that society would _______ her for abandoning her children
A. discuss
B. talk
C. say
D. condemn
The pilot of an airplane is responsible _______ the safety of the passengers
A. of
B. with
C. for
D. about
I have the complacent feeling ______ I'm highly intelligent
A. what
B. which
C. that
D. this