[ Idiom and Tenses ]
Determine the tense of the sentence: ‘They have been studying for hours.’
A. Present Perfect Continuous Tense
B. Past Simple Tense
C. Future Simple Tense
D. Present Continuous Tense

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Preposition of TimeVerb & GrammarQuantifiers and AdjectivesPrepositions and ArticlesTo infinitive - Gerundas...as, comparatives, superlativesPresent and Future TensesConnectors-ed/-ing AdjectivesTenses and ArticlesOther quiz:
Will or Going to › ViewA : Coffee or tea?
B : I ……..have coffee please.
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A. am going to
B. will
C. drink
D. does
Conjunctions › View
I am lactose intolerant, _________ my wife is allergic to gluten.
A. while
B. but
C. because
D. in order to
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A. kept
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Simple Tenses › View
Choose the correct sentence:
A. She clean her room yesterday.
B. She cleaned her room yesterday.
C. She cleans her room yesterday.
D. She cleaning her room yesterday.
