来自黄永光的问题
Herfather_________notfromJapan.HeisfromChina用who,grade,box,he,a,be,it填一下,用who,grade,box,he,a,be,it的正确形式填一下，
Herfather_________notfromJapan.HeisfromChina
用who,grade,box,he,a,be,it填一下,
用who,grade,box,he,a,be,it的正确形式填一下，
