[ Grammar ]
I don’t know ________ Albert is the oldest or youngest.
A. if
B. if not
C. whether not

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Active-Passive VoicesGrammar and SyntaxPassive Voice and ModalsFigurative LanguagePast Simple (to be)Question tag and + - AgreementVerbs - third personPresent Perfect & Past Simple TenseGrammar - Wh QuestionsPrepositionsOther quiz:
Present Tenses › ViewListen! The teacher ………..
A. speaks
B. is speaking
C. speak
D. are speaking
Grammar › View
My sister lives in New York. She … New York a lot.
A. likes
B. is liking
