"don't need to" 与 "don't have to"、"needn't" 的意义相同吗

It's Sunday today.You( )go to school A.don't need B.don't need to C.need't to D.need don't to You___worry too much.A.don't need B.needn't to C.don't need to D.not need we don't --------------------go to schoolA) not need B)don't need C) needn't D)need not to don't need to 与 don't have to、needn't 的意义相同吗 They___the computer.A.don't need buy B.needn't to buy C.don't need to buy D.don't need buying为啥？ don't need to understand Don't Need to worry She ____ to say sorry for itA.need not B.not need C.don't need D.doesn't need needn't to come,don't need come,don't need coming与needn't come的区别 don't need doing还是don't need to do? You () go to work before eight tomorrow A.needn't to B.don't need C.need not to D.don't need to 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 i______your help .I can do it myself.A.need B.don't need to C.dontneed D.needn't The sick boy-- go to school A.doesn't need B.needn't to C.doesn't need to D.don't need to It is late at night.You ( )out.A.don't need to go B.don't need go C.needn'to go D.need to not go You _____ take a bus.The hospital is near here.A.don't need B.not need C.need to D.don't have to You______ help me .I can do it myself.A.need B.don't C.need't D.needn't to You _________hurry,we still have some time.A.don't need B.needn't to C.need to D.don't have to