将下列句子改为同义句.
1.Ifthereisnowater,fishcan'tlive.
Fish_______live________water.
2.MonkeyKingisbetterthanRobinHood.
RobinHoodis____________thanMonkeyKing.
3.Thereisnotanywaterandnotanyaironthemoon.
Thereis____________water______________aironthemoon.
4.Howoldareyou?
________________yourage?
your不是要用are吗?