You need some help,don't you?为什么用don't you

You know I need some _____.(help) i need some help （改为一般疑问句）YOU ----- ----- ----- HELP? when you need some help,you will say when you need some help,you will say Could you come,please?l need some help. If you need some help,let me know. Can you give me a h_____?I need some help. I am f___now.Do you need some help? what can i do for you回答用yes,I need some help .I'd like some help .No,I don'twhat can i do for you回答用yes,I need some help .I'd like some help .No,I don't want your help I'd like to buy a pair of shoes You need some help with your math,_____________ you?A.aren’t B.needn’t C.don’t D.mustn’t ,need 怎么看是实义动词还是情态动词 Don't（）afraid.Give me a ring when you need some（）. A.不填；help B.be；help C.不填；helps D.be；helps Help I need you help i need you help i need you help They need some help,________ they?A.don't B.needn't C.do D.need You need some help,don't you?为什么用don't you you need some help ,why don't you ask me?if you need some help ,why don't you ask me?it's a very nice f you to say so,i suppose i ____A.do B.need C .could D.must麻烦解释原因 Do you need some people ____ (help) you ____(finish) the plan? 要解释解释