【单选题】Papa made a ____ of agreement though his face clouded at the mention of Grandma’s name.
【判断题】财务杠杆发生作用的前提条件是企业要有债务资本。
【单选题】A ________ is a set of interdependent organizations that help make a product or service available for use or consumption by the consumer or business user.
B.
product delivery network
【单选题】She got to know the young man very well ______ she had worked for so long.