A good storyteller must be able to hold his listeners’curiosity ________he reaches the end of the story. 
#74574
A
when
B
unless
C
after
D
until
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Since ______ to the world, the dance “GangnamStyle” has caused a release of a certain feeling.
#68121
A
introduced
B
introducing
C
being introduced
D
to be introduced
Don’t worry about the child. Next to him ________ a lady, _______ he can turn when he is in trouble.
#69589
A
sits; whom
B
sits; to whom
C
is sitting; with whom
D
was sitting; to whom