Any one have true love in life ​

The phrase, "the longest journey begins with a single step" means

Read the passage: canines may not be the deepest thinkers in the world. but perhaps that's for the best. the life of a dog—sitting alone all day, waiting for everyone to come home—can be pretty boring. super-smart animals would probably get totally stressed out, says university of pennsylvania researcher james serpell. look at it this way: if dogs were any smarter, they probably wouldn't choose to hang around with us. which best describes the tone of the passage?

The truck driver backed his vehicle between two buildings, he did not have an inch to spare on either side. fragment, run on, or complete sentence?