Every boy and every girl ______ that each day and each hour brings ______ duty.
#86212
A
know;their
B
knows;their
C
knows;its
D
know;its
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Three-fourths of the buildings ______.
#85968
A
was destroyed
B
is destroyed
C
were destroyed
D
has been destroyed
No one except Jack and Tom  _____the answer.
#86146
A
know
B
knows
C
isknowing
D
areknown