[ Vocabulary ]
What is the noun form of “collaborate”?
A. Collaboration
B. Collaborator
C. Collaborate
D. Collusion

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would should couldCommon Grammar Mistakes and Spelling TipsVocabulary and DefinitionsModal Auxiliaries and To Be VerbsCommon ErrorCountable & Noncountable NounsIndependent ClausesNoun Verb AgreementEmployment VocabularyPhrases & ClausesOther quiz:
Tenses › ViewIt suddenly rained when our children ______ the kites.
A. have flown
B. are flying
C. fly
D. were flying
Grammar › View
Complete the sentence: “If I ______ you, I would accept the offer.”
A. am
B. were
C. have been
D. was
Modals › ViewI think everybody ________________ learn a foreign language.
A. had better
B. should
Grammar › View
Soha _______ helps in the kitchen.
A. never
B. doesn’t
C. does
