Punctuation Practice

David was surprised to learn that frogs were primarily carnivorous, he had assumed that they mostly ate plants and vegetables.

• No Change

• carnivorous, he had assumed,

• carnivorous (he had assumed

• carnivorous; he had assumed

A synthesizer – an entirely electronic musical instrument: can usually be categorized into either an “East Coast” or a “West Coast” design philosophy.

• No Change

• instrument, can

• instrument - can

• instrument; can

There are a wide variety of modern dance forms and styles to enjoy. That’s one reason my hometown has many different dance studios.

• No Change

• enjoy that's

• enjoy, that's

• enjoy (that's

A professional long-distance runners life revolves around his or her workout schedule, sleep routine, and dietary needs.

• No Change

• runner

• runner's

• runners'

Though the words "vintage" and "classic" are often applied interchangeably, there is a subtle difference: "vintage" has a primary reference to age, while "classic" can add an additional connotation of elegance.

• No Change

• difference, "vintage"

• difference ("vintage"

• difference, so "vintage"

Musicians should carefully craft a strategy for their online streaming – the ability for their music to be heard instantly via the internet through a computer or mobile device) to achieve maximum popularity.

• No Change

• streaming (the ability

• streaming. The ability

• streaming; the ability

Alvin is struggling in math class this year; and there are many topics in Precalculus that he finds both challenging and frustrating.

• No Change

• this year (there are

• this year, there are

• this year; there are

Surfing (riding the waves on a wooden or plastic board) gained much of its’ popularity in the 1950s and 60s in Hawaii, California, and Australia.

• No Change

• much of its popularity

• much of it's popularity

• much of their popularity

The art exhibit's brochure read like a "who's who" of famous Italian artists; Michelangelo, Raphael, Leonardo da Vinci ...

• No Change

• artists, Michelangelo

• artists: Michelangelo

• artists (Michelangelo

Anyone who has had siblings - younger or older, brother or sister) will know that they are, at various times, a source of both great joy and great frustration.

• No change

• a sibling. Younger

• a sibling, younger

• a sibling (younger