The project _______ a success as the income of the company increases every year. 
#102820
A
is proved
B
had proved
C
has proved
D
has been proved
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I________in the house which______books and magazines.
#103368
A
am used to live;uede to keeping
B
used to live;has been used to keeping
C
have been used to living;was used to keep
D
used to live;was used to keeping