1.the▁▁▁was wonderful,many singers and dancers were acdive o

1.the▁▁▁was wonderful,many singers and dancers were acdive one the stage.
2.we shouldn't▁▁▁on anybody else,you have to do it yourself.
3.if you tell me the▁▁▁tyuth,i will help you get out of the trouble.
4.the▁▁▁that you make at school often lasts for life.
5.who is the woman over there?is it Miss zhang?NO,▁▁▁（ ）
A.mustn't B.may not C.can;t D.doesn't
最好说下为什么这样做......