Mother caught the boy _____ in the corner. 
#98253
A
smoke
B
to smoke
C
smoking
D
being smoked
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His first book ________ next month is based on a true story.
#95077
A
published
B
to publish
C
to be published
D
being published
Tom has been out of work for two years, so he has difficulty______. 
#97290
A
earning living
B
earning his living
C
to earn livings
D
to earn his living