Each boy and girl as well as some teachers who ______ to visit Hengshui Middle School in Hebei Province ______ asked to be at the bus station at 6:30.   
#86069
A
are/is
B
are/are
C
is/are
D
is/is
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Two­fifths of the highway________so far.
#85548
A
has been completed
B
was completed
C
have been completed
D
has completed