Articles a-an, the, zero

Choose the reason this sentence is having ∅ article

∅Dogs need a lot of attention

• it´s a unique noun

• This is the first time the listener knows about the topic

• it´s a generic noun

Choose the reason to use the article THE

I'm taking THE dog for a walk.​ ​ (a)  

• the listener know about the noun
• to describe the noun

• it´s a noun that represents all the nouns of the same type

Choose the reason the article "A" is used in this sentence:

A hamster is a rodent with strong sharp front teeth.

• it´s a generic use

• the listener didn´t know anything about the noun

• because the noun is non-count

Choose the reason to use the article "a" in this sentence.

I adopted a dog from the animal shelter.

• it´s a generic noun

• it´s a unique noun

• first time mentioned

Although my grandmother is eighty, she enjoys ___ good health.

• a

• the

• ∅

​ (a)   Money doesn´t grow on tress

• ∅
• The
• A

​ (a)   children have fewer bones than adults.

• ∅
• The
• A

​ (a)   soccer ball weights between 14 to 16 ounces.

• A
• ∅
• An