单项选择题
A．their neighbors might not accept the new idea B．their neighbors are sure to laugh at them C．they like the furniture and pretend to be the owners D．they want to show that they are rich
A．kill B．beat C．hold D．catch
A．Some animals and plants depend on each other for existence. B．Some animals and plants develop their relationship easily. C．Some plants depend on each other for food. D．Some animals live better together.