According to the passage,we give school children difficult problems to solve in order to___.
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各单位在工程项目现场的行政负责人对本单位在工程建设中的质量工作负()A.领导责任B.直接领导责任C.技术责任D.直接责任
The boss told his secretary to___the documents for later use.
根据下列材料请回答 56~59 题:
第 56 题 This passage probably comes from___.
I think it’s going to be a big problem.
Yes,it could be.I wonder___we can do about it.