parallel structure

She held jobs as a typist, a housekeeper, and in a restaurant

• jobs

• a typist

• a housekeeper

• in a restaurant

The speaker introduced himself, told several interesting anecdotes, and finishing with an emotional plea.

• introduced

• finishing

• himself

• told

She suggested taking the plane this evening or that we go by train tomorrow

• taking the plane

• that we go

• suggested

• by train

There are papers to file, reports to type, and those letters should be answered

• papers to file

• reports to type

• those letters

• should be answered

Vitamin C is necessary for the prevention and for curing of scurvy

• necessary

• for the prevention

• for curing

• scurvy

Fire extinguishers can contain liquefied gas, dry chemicals, or watery

• watery

• extinguishers

• or

• can contain

Manufacturers may use food additives for preserving, to color, to flavor, or to fortify foods

• may use

• for preserving

• fortify

• foods

A bankruptcy may be either voluntary nor involuntary

• a bankruptcy

• may be

• voluntary

• nor

A well-composed baroque opera achieves a delicate balance by focusing alternately on the aural, visual, emotional, and philosophy elements

• well-composed

• achieves

• focusing

• philosophy

The prison population in this state, now at an all time high, is higher than any state

• population

• all time high

• is higher

• any state