‘Get together’ is a phrasal verb that means to meet one person or a group of people (pre-arranged) to do something. It is very similar in meaning to ‘meet up‘ and can come up in any part of the exam.
Examiner: “What do you like to do on the weekends?”
Candidates: “I like to go shopping or get together with friends for a coffee or something to eat…”
We arranged to (5)…… together once a week in a local coffee shop where we would practice speaking Arabic.