Answer:
I believe the answers are:
I've applied to three universities----> It deserves how many times it happened
I've seen this film before----> It happened at an unspecified time in the past
Explanation:
The word 'three' is explaining to us that she/he had applied many times.
'Seen before' tells us that it happened in the past but it does not give us a specific time, day or date in the sentence.
Answer: A
Explanation: I don't really have an explanation besides that fact that my grandmother calls her cabinets and draws in her kitchen a buffet lol.
In order to find theme look for what the story is trying to teach you. You could also look for the life story the author included.