[ Tenses ]
How long ____________each other?
A. do you know
B. have you known
C. did you know
D. have you been knowing
Select your answer:
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Grammar & TensesPoetry VocabularyPersonal pronouns + possessive adjectives + Introgative pronounsGerunds, Infinitives and Modals of PossibilityFuture Tense and ConditionalsWill & Be going toAdjectives vs AdverbsPast Simple VS Used toVocabulary and GrammarAdverbs and Adverbial PhrasesOther quiz:
Grammar › ViewMy sister didn’t watched the movie yesterday.
A. Correct
B. Incorrect
Grammar › View
Which sentence does NOT use a colon correctly?
A. Most earthquakes are not violent or scary: They are too small to be felt.
B. Pumice is a kind of volcanic rock because it is: the only rock that can float in water.
C. The earth isn’t perfectly round: the north and south poles are slightly flattened.