【单选题】A company regularly purchases cleaning supplies from a vendor and orders relatively consistent amounts of the same products on each purchase from the same vendor. This is an example of a(n. ________.
【简答题】与......相邻 ________ 2 、去划船 _______ 3 、地铁站 ________4 、比起......更喜欢...... _____ 5 、在某人左侧 _______ 6 、 hang out ________ 7 、 far away ____________ 8 、 be tired of _________ 9、 most of all ________10 、 look...