Grammar Quiz

Topics: Vocabulary

Greenpeace is an international group that protests against anything which is a ____ to the environment.

A. threat

B. threaten

C. threatening

D. threatener

Select your answer:
         


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Linking VerbsSimple Present and Past TensesClause Markers TOEFL GrammarModals VerbTenses & AffixesSimple Tenses in EnglishThe First Conditional SentencePast TensesConjunctionReported Speech and Tenses

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Describing Words › View

Rex the dinosaur has __________ skin

A. pink

B. blue

C. orange

D. green


Vocabulary › View

Inopportune

A. Unplanned; spontaneous; impromtu
B. Stiff; rigid; pliant
C. Timely; convenient; felicitous
D. Adroit; dexterous; clever; masterful