What are books that their and there're?

The missionaries who appear in the novel are colonists from britain portugal spain italy

Aproblem associated with drinking a beverage while driving is a. you may swallow more than intended b. your hands will be greasy c. your judgment will be impaired

Dogs make wonderful pets because they keep us happy and healthy, the topic sentence is "dogs make wonderful pets". can someone me write a unrelated sentences to the topic and can be eliminated. need asap