John is doing hie homework in his bedroom now.(改为否定句)

问题描述:

John is doing hie homework in his bedroom now.(改为否定句)
做一节长一米,直径12厘米的圆柱形烟囱,至少要( )平方厘米的铁皮

John is not doing his homework in his bedroom nowThey are watch an American film next Sunday evening.(改为一般疑问句)你好!句子应该是They will watch an American film next Sunday evening.吧一般疑问句:Wil they watch an american film next sunday evening?