.Three-fourths of the surface of the earth_________sea.
#103355
A
is
B
are
C
were
D
has been
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The project _______ a success as the income of the company increases every year. 
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A
is proved
B
had proved
C
has proved
D
has been proved
Tom felt that the himself, along with Toby and Jack,      for breaking the window.
#100824
A
were to be punished
B
was to punish
C
was to be punished
D
were to punish