The building around the corner caught fire last night. The police are now____    the matter. 
#83219
A
looking up
B
looking out
C
looking into
D
looking for
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Although he is always coming on time,he is used     late for his class.
#84448
A
to have students
B
for students’ being
C
to students’ being
D
for students’ to be
There was so serious a matter that I had no choice but _________ the police.
#71418
A
called in
B
calling on
C
call for
D
to call in