Don't worry .This is the ___(desire）weight ranger for your b

Don't worry .This is the ___(desire）weight ranger for your b this is your for the concert.Don't be late.t什么? Don't worry .There is thing ___ wrong with your ears. Don't worry.There is ___ serious with your father.A somethin for now for now,don't worry about the details of this code , Don't worry.You shall get the book you want this Friday ,___ Don't worry;there is still ___ time left.A.little B.a little Don't worry.Your baby is looked after- A,careful carefully B don't worry ,all the children ___ by the nurses Don't worry.This isn't the f____result Don't worry.This mistake is no快! Don't worry.The bus will arrive____ten minutes.A:at B:for C: