7.___________n.边;边界 vt.& vi.与……接壤 8. _______________ adv.接近；大约 9.__________ adv.在附近adj.附近的;邻近的 10.___________n.距离；远方 →___________adj.遥远的 11.___________vt.& vi.混合；调配 →___________ n.混合物 12.___________vt.确定；确认；使巩固 →_______________n.确认

confirmation

border

approximately

nearby

distance

distant

mix

mixture

confirm