英语翻译我应该要把教室打扫干净吗?不必了.我可以在这里玩吗?不可以.你不需完成作业,刘老师很高兴,翻译好给5~大神们加油

Should I clean the classroom? No,you needn't.
May I play here? No,you can't(mustn't).
You needn't finish the homework,need you?
Mr .(Miss) Liu is very happy,isn't he(she)?
自己翻译的,望采纳