包车时,包车人在中途站、折返站要求停留时,应缴付()。
A.使用费
B.停留费
C.租车费
D.空驶费
参考答案:B
What worried the child most was _____________ to visit his mother in the hospital.
A.to his being allowed
B.his not being allowed
C.not his being allowed
D.not his allowed
氨苄西林对青霉素G的耐药金黄色葡萄球菌有效。