根据句子的意思补充完整.

问题描述:

根据句子的意思补充完整.
1.The _______ of the Great Wall is 5000 kilometers.
2.I need_____water.It's not enough.Please add.
3.The killer Whale is______than the sperm whale.
4.Zhang Peng feels sick.His leg_______.
5.It's_____now.Please open your umbrella.

length
more
longer
is hurted
raining