As is known to all, theory is based on practice and _____ serves practice.
#70919
A
in hand
B
in turn
C
in return
D
in exchange
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______ him and then try to copy what he does.
#71129
A
Mind
B
Glare at
C
Stare at
D
Watch
The chairman suggested that we    the plan in the next morning, which suggested that he    not for it. 
#67599
A
discussed, was
B
discuss, was
C
should discuss, should be
D
would discuss, should be