A stranger started walking about in the hall,       to find the main office.
#90394
A
trying
B
to try
C
tried
D
was trying
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The little boy still needed the ______ 20 dollars to do with the things ______ .
#88704
A
remaining; remained to be settled
B
remaining; remaining to be settled
C
remained; remained to settle
D
remained; remaining to settled
____ advertisements, TV programs are often made boring.
#95671
A
Regularly interrupted by
B
Regularly interrupting
C
To regularly interrupt
D
To be regularly interrupted by
The _______ boy made the police and his family _______. 
#92633
A
gone; puzzled
B
missing; puzzled
C
missing; puzzling
D
lost; puzzling