1. A dictionary is a reference book. 2. The bread on the dish smelled delicious. 3. Robert is a truck driver. 4. Paula hit the ball over the wall. 5. Have you tasted the soup? 6. The earth is a planet, but the sun isn't. 7. John saw a ring on the floor. The ring was made of gold. 8. I don't think you gave me the right answer. 9. It's the book Bob advised me to read. 10. -Let's have a break. -What a good idea.

A dictionary is a reference book.
This sentence explains the definition of a dictionary, describing it as a reference book, which means it is used to look up information, especially about words and their meanings.

The bread on the dish smelled delicious.
Here, the sentence is describing the sensory experience of the bread on the dish. The use of the word "smelled" indicates that the bread's aroma was pleasant, making it an inviting statement about the bread's appeal.

Robert is a truck driver.
This sentence provides information about Robert’s profession, saying that he drives trucks for a living.

Paula hit the ball over the wall.
The sentence describes an action where Paula strikes the ball with enough force to make it go over a wall. This suggests a physical activity, like a sport or a game.

Have you tasted the soup?
This is a question asking if someone has tried the soup, focusing on the act of tasting it, possibly to assess its flavor or quality.

The earth is a planet, but the sun isn't.
This statement provides a fact about the Earth, identifying it as a planet, while contrasting it with the Sun, which is not classified as a planet but as a star.

John saw a ring on the floor. The ring was made of gold.
The first sentence describes John observing a ring on the floor. The second sentence adds more detail, specifying that the ring is made of gold, providing further information about the ring's material.

I don't think you gave me the right answer.
In this sentence, the speaker expresses doubt or disagreement, suggesting that the answer they were given is incorrect or inadequate.

It's the book Bob advised me to read.
This sentence indicates that Bob recommended a particular book to the speaker, and the speaker is referring to that book as the one Bob suggested.

-Let's have a break. -What a good idea.
This is a conversation where one person suggests taking a break, and the other person agrees enthusiastically, calling it a "good idea," showing approval of the suggestion.