Problem: Write the next sentence for:
How to throw the best slumber party
Ask your parents for permission.
It'd be disappointing to get all hyped up only to have your parents say no. Try be extra good around the house and not to ask multiple times as it doesn't help them make the decision you want them to..

Next sentence: Don't make a scene if your parents don't agree straight away. They may need time to think about it and if you throw a tantrum, that'll color their view negatively.

Problem: Write the next sentence for:
How to finish a school project quickly
Research.
Researching and understanding your topic is key to creating a good project on it. Try to find out as much as you can using the internet, your textbook, class notes, library, etc..

Next sentence: If your time is really short, browse the internet, and flip through your textbook. Write down all the information in the form of short notes on a piece of paper.

Problem: Write the next sentence for:
A woman is scuba diving under the blue water. Colorful corals and school of fish are being shown. the scuba divers.

Next sentence: continue to swim as the view of colorful corals are being shown.

Problem: Write the next sentence for:
How to make your home a warm place to be
Keep it clean.
The very first step towards making anyone feel comfortable is a clean home! Make sure the floor is clear of all clothing, misc objects, and trash. Clear the kitchen sink of dishes, empty trash cans, etc..

Next sentence:
Everything should have a place and everything should be in its place. Make sure that there is nothing that will cause personal discomfort for your guests.