The Attempt at a Solution
Top left: No charge flowing through circuit b/c switch is open, not closed.
Top right: No charge flowing through circuit b/c circuit does not connect positive and negative terminals
Bottom left: Charge flows through circuit b/c closed loop between + and - terminal.
Bottom right: No charge can flow through since negative terminal cannot be directly connected to another negative terminal.
Please let me know if these answers are correct and how I can make them better. Thank you!