[ 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:
Homonyms › ViewGo away! ___!
a. shoe
b. shoo
Grammar › View
______ changed his password?
A. Has he never
B. Has he ever
C. Ever has he
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
