[ 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:

Random Topics:
Modal and Relative PhrasesVerb AbilityVerb TenseCountable & Noncountable NounsPast Simple - Present Perfect-ing &-ed AdjectivesGrammar Pronoun and Singular Plural NounConjunctionTag QuestionVocab CheckingOther quiz:
Past Simple (Questions) › ViewDid you read a book yesterday?
A. No, I didn’t.
B. No, he didn’t.
C. No, she didn’t.
D. No, they didn’t.
Parts of Speech › View
Match the underlined word to the correct part of speech.
‘I need a knife and a fork.’
A. Noun
B. Pronoun
C. Adjective
D. Adverb
E. Conjunction
