Check work:
read this sentence and answer the questions below:
i didn't think she had time to cook, so i was ecstatic to come home and find my mom had made my favorite dinner.
which phrase gives the most clue to the meaning of ecstatic?
a) i didn't think
b) had time to cook
c) come home
d) my favorite dinner
d?

Explanation:

Ecstatic means excited about something or someone. So, in the sentence, he felt excited because mom made his favorite dinner, even she doesn't have much time to that.

c. explains words’ origins and variations.

in june, we will have been married for eighteen months. (i am assuming this is what you want? the sentence, as you have presented it, is grammatically incorrect--   you want it corrected, yes? )