我国现行建筑安装工程费用构成中,材料二次搬运费应计入()。
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A. This B. That C. What D. Which
Sorry, I don’t know he is a friend of _________.
A. your brother B. your brothers C. your brother’s friend D. your brother’s
It is believed that the widespread use of the “grid”will become possible in the next________.
《中华人民共和国招标投标法》规定,在我国境内可以不进行招标的项目是()。