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:

Gerund or To Infinitive › View

Can you imagine ________ our assignments before we leave?

A. To finish

B. Finishing

C. Finish

D. Finished

Definite and Indefinite Article › View

________ Belgium is famous for choclate, waffle and French fries.

A. The

B. a

C. an

D. No article

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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