【单选题】--- You look nice in the dress!. --- Thank you. It ______ me seven hundred yuan. I like its design.
【单选题】合同的权利义务终止后,当事人根据交易习惯履行通知义务、协助义务、保密义务,这是基于合同法的( )
【单选题】_____ took me seven days to finish the work. [ ]
【单选题】依据《合同法》第九十二条,合同的权利义务终止后,当事人根据交易习惯履行保密义务,该义务的依据是()
【单选题】It me seven days to go through the river.
【单选题】It me seven days to go through the dark forest.
【单选题】合同的权利义务终止后,当事人根据交易习惯,履行通知、协助、保密等义务,其依据是( )
【单选题】__What a nice dress!It fits you well. __Thank hou. It ___ me seven hundred yuan. I like it's design.
【简答题】合同的权利义务终止后,当事人根据交易习惯,履行通知、协助、保密等义务,其依据是什么原则?