Problem: Write the next sentence for:
How to know when tooth fillings are unnecessary 
Do not ignore pain or tooth problems. 
You may come across articles and posts describing an epidemic of unnecessary dental procedures and decide that no dentist can be trusted. However, regular dental care is essential to good oral and overall health, and signs of tooth pain or discomfort should never be ignored..

Next sentence: Visit multiple dentists if you must, but make sure you visit a dentist when treatment is required. Only a trained dentist can properly diagnose and treat dental problems.

Problem: Write the next sentence for:
He is standing near a park bench with a skateboard in his hand. He is demonstrating how to do stunts on the skateboard by jumping up on the park bench. he.

Next sentence: repeats the same stunt over and over again.

Problem: Write the next sentence for:
How to play free willy at the lake 
Choose the " willy ". 
This is a person who is rooting for no team, but whose goal it is to make it to shore (the shore or other goal is where they become " free "). 
There should only be one willy..

Next sentence: But if there is an uneven number of players, a second willy could be added to change the game a bit (both willys must make it to shore for the guardians to lose). The willy starts deep enough for people to swim around him/her.

Problem: Write the next sentence for:
The water and soap is splashing off of it on to the wall/ she picks up the piece of cloth and hits it against the stand. Then she gets some water from a buckets and pours it over. she.

Next sentence:
squeezes it out and then put the cloth into a bucket of soapy water.