【单选题】—What color _______ the pants? — _______ are blue. [ ]
【单选题】价值工程的工作程序实质是针对产品的功能和成本( )的过程。
【单选题】Whose apples are these ? They are __ . They are__ apples. [ ]
【单选题】-- Whose pants are they? ---__________.
【单选题】价值工程在工作程序中,实质就是针对产品的 提出问题、分析问题、解决问题的过程。
【单选题】—My gloves are white. What colour are _____? —_____are blue. [ ]