human blood.为什么不是human’s blood?

human blood.为什么不是human’s blood? ____ blood flows in a human body is a question ____ not everyone can understand fully.为什么填HOw , that? Other people think human cloning is okay.请问句中的human cloning”为什么不是“cloning human”呢 Which organ pumps blood around the human body?是什么器官? While ____ a small boy ,he could hum songs .A.already B.until C.yetD.still为什么（不是其他答案） the assistant manager of human resources为什么不是 Manager assistant blood Blood, what system of the human body is made up of blood,blood vessels or the heart翻译并回答 look like human beings 中为什么不是humans,being为什么还要加s理由要充分 ( ) 13.While a little baby,Tom could ________ songs.A.sing B.sings C.hum D.hums为什么不能用hum? you can learn how blood _____ through the human's heart from the pictures The human body has man organs ,each having acertain jod to dohaving 为什么不是has? all human is created equal为什么不是equally?rtequal在此作何成分？主补？ blood-c小夜为什么跑向城市 those of us who are over fifty years old should get ----blood pressure checked regularly.those of us who are over fifty years old should get ----blood pressure checked regularly.答案为our.为什么不是their? What system （器官系统）of　the human body IS made up of　blood,blood vessels （血管）,and the heart human