[ Subject Verb Agreement ]
Somebody (was / were) knocking on the door.
A. was
B. were

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Passive to ActiveDefinite, Indefinite and Zero ArticlesPronouns, Verb, ConjunctionGrammar: Parts and PunctuationModal Verbs for SpeculationAdverb or AdjectiveGrammar - Compound SentencesAdjective or AdverbModals and AdviceGrammar Double Object VerbsOther quiz:
Vocabulary › View(noun) the ability to think about things that are not real; the ability to form a picture in your mind of something that you have not seen or experienced
A. imagination
B. couch
C. compare
D. divide
Grammar › View
__ play professional tennis, you must be extremely fit.
A. Couldn’t
B. Will able to
C. To be able to
D. Could be able to