---Can I tell my best friend about it?
---No. I don’t want anyone else to know. You _________ let it out.
A.mustn’t | B.won’t | C.don’t have to | D.don’t need to |
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---Can I tell my best friend about it?
---No. I don’t want anyone else to know. You _________ let it out.
A.mustn’t | B.won’t | C.don’t have to | D.don’t need to |