you [needn't to leave] in such a hurry为什么答案中没有to为什么

Do you have to buy this hat?No,i needn't necessary为什么填needn't You needn't give it back to me=You needn't______it______me needn't to You needn't ____ those things if you ____ them.A buy;needn't B buy;don't need C to buy;needD to buy;needn't You needn't to come so early every day.改错 Do you have to...可以用No,I needn't. You ___to the meeting if you have no time1.needn't to come2.don't need coming3.needn't come I love you.but I can't together with you. but I hope that you can be happy every day I have to leav you ___ to school so early.it opens at 7A needn't come B don't need come C needn't comeingD needn't to come you _____pay for the book if you _____itA don't need to ;needn't B don't need ;don't need C needn't ;needn't D needn't ;don't need 为什么用you needn't wake him up,而不用you needn't to wake him up. you don't to know还是you needn't to know you___do it if you don't want to.A.haven't to B.needn't You ( ) tomorrow if you are busy.A.don't need to come B.don't need come C.needn't to comeD.needn't coming 说明一下吖、、、、、、、、、、、、、、 it was sunday yesterday so you ( )to shool and you didn't.--为什么不选needn't come而用didn't needn't to come no you don't have to 和no you needn't哪个对 there is only one thing you( ) to do A mustn't B needn't Cwouldn't Leav.