thanks for you .xiexie 一空一词
When Iwas young,I studied_____a middle school.Our headmaster was ______old man.He was kind but all of______were afraid of him._______example,we were playing,talking and laughing________he came in.At once,the classroom became_____.If a boy didn't______his homework well or carefully,he would be very_____,and asked the boy______do it again and______.