She hesitated at the gate of the canteen, _________ whether to enter or not.
#96357
A
to wonder
B
wondered
C
wondering
D
wonder
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The teacher said he needed _____ boys besides his students _____ the classroom. 
#97946
A
20 other; clean  
B
20 more; to clean
C
20 more; cleaning
D
another 20; clean