Grammar Quiz
[ Vocabulary ]

single source of air pollution

A. point source

B. nonpoint source

C. ozone

D. conservation

Select your answer:
A  B  C  D  E 


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Other quiz:

Tenses › View

We _____ that book yet

A. did not read

B. have read not

C. not have read

D. have not read

Grammar › View

Alicia, __________ the windows please. It’s too hot in here.

A. Opens
B. Open
C. Opened
D. Will opened

Modals › View

He ________ ride a bike because he never learned how.

A. can

B. can’t

Modals and Present Tenses › View

Michael and Daniel _____ a lot these days, but _____ their assets.

A. is traveling / can sell

B. cannot travel / is selling

C. can travel / selling

D. are traveling / cannot sell

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