1.thereisnothing_______intheworld.a.wonderfulb.perfectc.niced.comfortable
2.zhangliisalwaysthelast_______home.
a.getb.togettoc.leaved.toleave
3.thatbagisn'tmine.itmustbe_____
a.somebody'sb.somebodyelsec.somebody'selsed.somebodyelse's