根据句意及汉语提示完成单词。
一 Have these workers finished doing their work ?
— No, not .
亚洲是____ 人种的故乡，撒哈拉以南的非洲是____ 人种的故乡．
—I often have hamburgers for lunch.
—You'd better not. It's bad for you _________ too much junk food.
