Identify the proper synonym for the expression in italics.

Let's get together and talk it over.

meet

phone

speak

The synonym for get together is meet

Explanation:

Get together is a phrasal verb which to meet probably to discuss issues of common interest.

It could also mean to reach a mutual agreement. An example of where it is used in sense reaching an agreement can be found below:

I look forward to seeing a team that get together to win away games.

Finally, the get together used in this question refers to the first usage, to meet for further discussions or negotiations.

Meet and speak I believe