Problem: How does the next paragraph end?

How to ask someone out if you're shy 
Look your best. 
Focus on the three key things that make a difference: hygiene and style, plus a smile. Be clean, wear comfortable and well maintained clothes, and always remember to smile.
A: Smiling can automatically make you more relatable and radiant. Make sure to brush your teeth or use mouthwash.

Problem: How does the next paragraph end?

Old black and white videos are shown of people engaged in games of table tennis. Crowds watch and cheer them on. they
A: clap as the ball is hit back and forth over the net.

Problem: How does the next paragraph end?

How to use pipe joint compound 
Brush the pipe dope onto the pipe or fitting. 
Unscrew and remove the lid from the bottle of sealant. Most products will include a small applicator brush on the underside of the cap.
A: Use this applicator to smear the liquid sealant liberally onto the threads of the male pipe fitting. Make sure the pipes you're sealing are clean and dry prior to applying pipe dope.

Problem: How does the next paragraph end?

A girl does flips across a mat. The mat is black and red. Several girls watch her and clap. she
A:
then does some backflips.