免费av毛片,日韩av高清在线播放,97国产精品最好的产品,欧美成人免费一区二区三区,神马午夜一区,曰河南少妇对白视频,欧美自拍视频

您現(xiàn)在的位置: Language Tips> BBC> Weekly Quiz
BBC UKChina

You said:
 
 
2 Which is the best answer? Companies can try to reduce how much they spend, but some __________ are fixed, e.g. rent and energy costs.
 
tax
invoice
overheads
price