you must keep it a secretyou must keep a secret 这个句子对吗?

问题描述:

you must keep it a secret
you must keep a secret 这个句子对吗?

有点问题.you must keep it as a secret..但是must显得比较生硬,可以用could you keep it as a secret这样比较容易被人接受.还有别的标识方法:比较正式的,就是 Please keep it confidential.如果是朋友间的承诺,可...