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
推荐题目
Every possible means ________ to prevent the air pollution，but the sky is still not very clear.
#85546
A
were using
B
have used
C
has been used
D
was used
What the science teacher does and says ____ of great importance to college students.
#85989
A
was
B
are
C
is
D
were