They often hang_with different kinds of people.
A. out
B. in
C. on
D. for
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your watch is always a bit slow;you need to _it.
A. adjuet
B. gap
C. logic
D. replace
At this point our method_reasoning was at fault.
A. of
B. on
C. in
D. at
He spent four hours _going over his lessons.
A. in
B. on
C. at
D. for
He read the book _I got yesterday.
A. which
B. that
C. this
D. what