1个英语问题Intheplay,she（must）appearinabrightreddressandlongblackstockings.括号中的must能用haveto替换吗?那是替换成willhaveto还是hasto原文：MyauntJenniferisanactress.Shemustbeatleastthirty-fiv

Question

1个英语问题
In the play,she （must） appear in a bright red dress and long black stockings.
括号中的must能用have to替换吗?那是替换成 will have to 还是 has to
原文：
My aunt Jennifer is an actress.She must be at least thirty-five years old.In spite of this,she often appears on the stage as a young girl.Jennifer will have to take part in a new play soon.This time,she will be a girl of seventeen.In the play,she must appear in a bright red dress and long black stockings.Last year in another play,she had to wear short socks and a bright,orange-coloured dress.If anyone ever asks her how old she is,she always answers,'Darling,it must be terrible to be grown up!'

Answer 1

这是新概念2 的一篇课文
如要替换,用will have to