With a lot of difficult problems _________, the manager felt like a cat on hot bricks.
#90916
A
settling
B
to settle
C
being settled
D
settled
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Most of the problems ______, he has a tight schedule every day. 
#91575
A
remaining unsettled
B
remained unsettled
C
remaining unsettling
D
remained unsettling
         to looking after her sick mother for two years,she badly needed a holiday.
#91514
A
Having devoted
B
Devoted
C
To be devoted
D
To have devoted