There are some health problems that , when _______ in time , can become bigger ones later on.
#90838
A
not treated
B
not having treated
C
not to be treated
D
not having been treated
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On returning home from school, Xiao Hong______ her MP4 and threw herself down onto the bed, ______ music.
#92280
A
put on; listening to
B
put on; listened to
C
left out; listened to
D
left out; listening to