I overslept this morning because my alarm clock ______.
#69183
A
didn’t go out
B
didn’t let out
C
didn’t go off
D
didn’t let off
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She often goes to bed with her bedroom _______. 
#76606
A
light on
B
on light
C
on lighting
D
lighted on
 I_______ laughing when my son made a face.
#74070
A
burst into
B
burst upon
C
burst out
D
burst on