Problem: How does the next paragraph end?

How to be confident during a presentation 
Practice good posture. 
Hold your head up and keep your chin in when standing and giving a presentation. Imagine you are stretching the top of your head toward the ceiling.
A: Keep your shoulders back and try to keep your earlobes in line with the center of your shoulders. Tuck in your stomach, but be sure not to tilt your pelvis.

Problem: How does the next paragraph end?

How to make brown gravy 
Measure out everything before beginning. 
If you have to leave something on the stove to measure an ingredient it could over-thicken or burn quickly. Have everything you need ready and measured ahead of time.
A: Melt 3 tablespoons butter in a small saucepan. Melt the butter on medium heat, stirring occasionally to prevent burning.

Problem: How does the next paragraph end?

How to buy a used horse trailer 
Consider your budget. 
Budget is probably going to be the most limiting factor in buying a used horse trailer. How much you have to spend is going to narrow your choices.
A: If budget is not a concern, then you can buy a horse trailer with all sorts of modern features such as dressing rooms, interior lighting, padded dividers and more. A lower budget might limit your choice to a horse trailer that is structurally sound, but not very attractive.

Problem: How does the next paragraph end?

A person sits on front a laptop and a cube puzzle. Then, the person solves a cube puzzle. after
A:
, the person solves the cube puzzle puts it on the laptop.