what is 13c breath test

what is 13c breath test My breath is your breath 男生唱的.开头是I can't sleep.I can't breath,without you next to me.中间so lonely and empty slowl男生唱的.开头是I can't sleep.I can't breath,without you next to me.中间so lonely and empty is slowly killing my .I d;n't know what to sa what i need is the air I breath and Ithe place rest my head是什么歌 love is`t what what is i t My fight is your fight.My breath is your breath. I can‘t take my breath breath breath 是那首歌的歌词 韩国的 i （ ）know what it is.A,not B,can‘t C,don’t What is L/C? what is hepatitis c? —____you bags?—No,they aren't A.Are these B.Is this C.what is D.What are Nicole don't hold your breath 中文歌词 Don't hold your breath中文意思? Don't Hold Your Breath 歌词 Don't hold your breath 歌曲 Maybe I can't breath without What is wrong with my watch?What is wrong with my watch?It_____.A.is't work B.doesn't work C.stop D.stops