I think smiled is a verb, as for hope, my best guess is noun
Answer:
A procrastinator is a person who delays or puts things off — like work, chores, or other actions — that should be done in a timely manner
In experimental physics, reverberation produces echo and thus makes undesirable sound. An echo is a sound reflected off of a surface. In a big hall, it interferes with the actual sound. It gives confusion when people are having a conversation.
<span>Frustration is an emotion that occurs
in situations where a person is blocked from reaching a desired outcome.
In general, whenever we reach one of our goals, we feel pleased and
whenever we are prevented from reaching our goals, we may succumb to frustration and feel irritable, annoyed and angry.</span>