保险标的发生保险责任范围内的损失是由第三人造成的，被保险人向第三人要求赔偿的权利，自哪天起，相应转移给保险人()
Thestudentsintheclasswere_____fourgroupsbeforetheystartedthegame.
Manyinternationalcompaniesproducealargenumberofproducts,oftendividedintoproduct________.
Underdocumentarycollection,thedraftmustbe()