English to Spanish Other Education / Pedagogy Language

Directions: Circle the controlling idea in the following sentences.

Example
An encyclopedia is a handy book for students.
Handy” is the controlling idea, and in the paragraph that follows, you will explain how the encyclopedia is handy.
Obtaining a driver’s license is a difficult experience.
I have had several unusual experiences on dates.
Traveling by train has several advantages over traveling by car.
There are three steps in barbecuing hot dogs.
Good English is clear, appropriate, and vivid.
Answers:
difficult experience
unusual experiences
several advantages
three steps
clear, appropriate, vivid