[ Adjective ]
Who is Mr Back? He’s …………………………………. to me.
a.known
b.imknown
c.unknown
d.inknown

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Offer and SuggestionModal Verbs and Contrastive ConjunctionsPhrases and TensesGrammar (was, were, could, could not)Prepositions & Modal VerbsPresent Perfect Simple & ContinuousGrammar on ConditionalsArticle and Order of AdjctiveAdjectives-Comparison, SuperlativeSecond Type ConditionalOther quiz:
Tenses › ViewWe … on the bus for six hours now.
A. have been
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____ you washed the car yesterday, I will drive you anywhere you want today.
A. If
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Grammar › ViewYou haven’t eaten your pudding. _______________ it?
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C. Don’t want you
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yesterday they ____ very well in their class
A. did
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D. do