八年级英语知识.用简单的英语翻译下列句子.1.He can sing many English songs.______

八年级英语知识.
用简单的英语翻译下列句子.
1.He can sing many English songs.
_________________________
2.Sometimes the old man was strange.
__________________________
3.Without water or air ,man can't live .（我认为这句话书本上好像出错勒.）
_______________________
4.His voice often cannot be clearly heard.
______________________________
5.About two thirds of the earth is covered by water.
__________________________
是用简单的英语翻译.不是直接翻译..