We have finished the work in time __________ your help.So we are very grateful for that.Which of the following is NOT proper?
#26438
A
thanks to
B
because of
C
as a result of
D
leading to
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Theory is based on practice and ________ serves practice. 
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A
in turn
B
by and by
C
by chance
D
in this case
 — How come you are here?— I came here for nothing else but to see you ____.
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A
by chance
B
in addition
C
at random
D
on purpose
His job at the hospital did not pay much, so he found another _____.
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A
on the rise
B
on the spot
C
on the decline
D
on the side