.You look tired .______ working indoors you should be out for a walk.
#46577
A
Because of
B
Instead of
C
Thanks to
D
As for
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We all know that doing morning exercises ______. 
#50401
A
is good for our healthy
B
are good for our healthy
C
are good for our health
D
is good for our health
The police found the lost car _____.  
#48414
A
by mistake
B
by accident
C
with mistake
D
in accident