who broke the window --I____(是我)

who broke the window --I_did___(是我)这里用did代替了I broke the window 问题补充：the old man looks over eighty years old .(同义句)the old man looks __more___ ___than___ eighty years oldover=more than...在回答2题 就给加分！！！速度！！！好的\(^o^)/~2the students' project will be on show_inthree days _(划线提问)____What___ ___time_____ will the students' projects be on show.3. the math exam is very important.(感叹句)__What___ __an____important math exam it is!