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.
A. are/is
B. are/are
C. is/are
D. is/is
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(答案→)A. are/is
B. are/are
C. is/are
D. is/is
解析：考查主谓一致。第一空who to visit Hengshui Middle School in Hebei Province为定语从句修饰some teachers，who指代some teachers所以谓语用复数；第二空为as well as连接并列主语谓语动词与前者保持一致用单数。句意：要求去河北衡水中学参观的每个男孩女孩以及部分教师6:30在汽车站集合。