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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Adverbs of frequencyTOEFL Adjective and AdverbPassive Voice in Past Simple TenseGrammar Past and Future TenseInfinitives and ING FormsArticles & PrepositionTime and CalendarPast Tense and Past ContinuousWould/would like - affirmative/negativeComparatives and Superlatives

Other quiz:

Exclamation › View

______________ ugly boy!

A. What a

B. What an

C. How an

Tenses › View

I ____ fly to Panama tomorrow!

A. will

B. is

C. are

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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