The manufacturers had to raise their prices because of the increase in the cost of _______ materials. ( 章节：1 难度：4)_做题室

单项选择题The manufacturers had to raise their prices because of the increase in the cost of _______ materials. ( 章节：1 难度：4): A、raw; B、original; C、rough; D、primitive

正确答案：A
答案解析：
关注下方微信公众号，在线模考后查看

热门试题