Our school has about 100 computers, but only sixty percent ____ used regularly.
#85661
A
is
B
are
C
was
D
were
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Nothing except some chairs _____ there. 
#86184
A
was
B
were
C
has
D
had
They usually have lunch at school, ________?
#44208
A
haven’t they
B
do they
C
don’t they
D
have they