Grammar Quiz
[ Vocabulary ]

a poisonous gas made of 3 oxygen atoms

A. point source

B. nonpoint source

C. ozone

D. conservation

Select your answer:
A  B  C  D  E 


Random Topics:

Linking VerbSimple, Compound, Complex SentencesConditionalsAdverb of MannerGrammar - Present Perfect with already, just, yetInversions and SubjunctivePassive Modals in Different TensesSecond ConditionalsWord FormationModals of Prohibition

Other quiz:

Adjective Clause and Adverb Clause › View

Last week, our cat gave birth to a litter of kittens, but we didn’t know where ________.

A. is our cat

B. our cat is

C. our cat was

D. was our cat

Phrasal Verb & Prepositional Phrase › View

She __________ her childhood friend and they became good friends again.

A. ran away from

B. looked for

C. turned into

D. got on with

Progressive Tense › View

He will not be…… at the library tonight,so he will not see jenny when she arrives.

A. Studying

B. Studies

C. Student

D. Study

Past Tense › View

Choose the Past Simple of this word.

teach

A. taught

B. teached

C. teaching

D. teachs

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