What is the primary cause of air pollution in urban ...

[ Vocabulary and Grammar ]

What is the primary cause of air pollution in urban areas, according to Lamar, Aseel, and Adam?

A. Vehicle emissions

B. Deforestation

C. Industrial waste

Select your answer:
A B C D E

Other quiz:

Gerund vs. Infinitive › View

Bruno hates shopping.

    A.     Verb
    B.     Participle
    C.     Gerund

Modals › View

I’m so hungry. I ______ eat a horse!

A. could

B. must

C. should

D. am able to

Tenses › View

She (go) to school tomorrow.

A. go

B. goes

C. will go

D. went

Verb Moods and Vague Pronouns › View

What is the vague pronoun in this sentence: “Jack showed the photo to Peter, but he didn’t like it”?

A. Jack

B. Peter

C. He

D. It