读下面的故事,ICANGOHOMEOneday,afterschooltheteachersaidtohisstudents,"Tomorrymorning,ifanyoneofyoucananswermyfirstquestion,Iwillpermithimorhertogohomeearlier."Thenextday,whentheteachercameintotheclassroom,h

　　读下面的故事,

　　ICANGOHOME

　　Oneday,afterschooltheteachersaidtohisstudents,"Tomorrymorning,ifanyoneofyoucananswermyfirstquestion,Iwillpermithimorhertogohomeearlier."

　　Thenextday,whentheteachercameintotheclassroom,hefoundtheblackboarddaubed.(乱涂、乱画)Hewasveryangryandasked,"Whodidit?Pleasetandup!"

　　"It'sme,"saidBob,"Now,Icangohome.Gooda—bye,Sir."

　　1.Whatdidtheteachersaytohisstudentsoneday?

　　2.Whodaubedtheblackboard?