Answer:
Tôi hy vọng Mary đồng ý và họ sẽ hạnhcphúc.
Explanation:
Adverb for sure as mighty often refers to being strong and fierce and can only really be used to describe a movement like a mighty punch BUT it can be an adjective as mighty may be used as a mighty man etc.
discreet- careful and circumspect in one's speech or actions, especially in order to avoid causing offense or to gain an advantage.
"we made some discreet inquiries"
A soliloquy is when <em>one person speaks their own thoughts out loud when he/she is by herself</em>.
hope this helps