“Johnny,where’s your homework?”MissMartin said seriously to the little boy while hold-ing out her hand.“My dog ate it,”was his re-sponse.“Johnny,I’ve been a teacher for eigh-teen years.Do you really expect me to believethat?”“It’s true,Miss Martin,I swear,”insisted(坚持)Johnny.“I covered it with peanut butter andhe wolfed it down(狼吞虎咽地吃).” “Johnny, where’s your homework? ” MissMartin said seriously to the little boy while hold-ing out her hand. “My dog ​​ate it, ” was his re-sponse. “Johnny, I’ve been a teacher for eigh-teen years.Do you really expect me to believe it? ”“ It’s true, Miss Martin, I swear, ”insisted Johnny. “ I covered it with peanut butter andhe wolfed it down eat).”