We should throw the rubbish into the dustbin ______ protect our environment. 
#49489
A
as a result
B
so that
C
in order to
D
in order not to
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I often talk______ _the phone_______ my friends_______ home.
#47448
A
on;to;to
B
in;with;at
C
over;to;from
D
on;with;at