【单选题】The four all bought some in the market.
【单选题】组织中容易发生冲突的潜在原因是不包括:()
【判断题】假如某一块岩石中含有蛇纹石等矿物,则基本可以判断该岩石为变质岩。
【判断题】液压回路油温低会影响液压系统的正常工作和振动器转速。
【单选题】The four all bought some in the market.
【单选题】The four Germans all bought some in the supermarket.
【单选题】The four___ all bought some_____ .