知识问答
最佳答案:may:肯定may 否定mustn't can:can can't must:have to do don't have to do could:肯定sure
最佳答案:You have to take me to!then you But don't forget to bring heavy clothes
最佳答案:must 表示必须、一定时,Must...肯定回答:Yes,...must.否定回答:No,...needn't.(特别要注意否定回答不能用mustn't.因为
最佳答案:may i use your penYes,you canno,you may not.or you mustn'tNeed i start from the
最佳答案:Yes,you must .No,you needn't.我必须做家庭作业么?是,你必须不,你不必
最佳答案:在回答must开头的一般疑问句时,肯定回答用must,否定回答用needn't或don't have to.举例:Must he go home now-Yes
最佳答案:can:----yes,you can----no,you can'tmay:----yes,you must----no,you can'tmust:做推测讲