[ 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:
Modal Verbs › ViewMary received 100 dollars from her sister. She ………. the computer she wanted. It costs 200 dollars.
A. didn’t buy
B. couldn’t have bought
C. wouldn’t buy
D. hadn’t bought
Grammar and Vocabulary › View
Try to get home before rush…..
A. time
B. traffic
C. hour
D. moment
Grammar › ViewLuckily I had ______ my savings in the bank instead of spending them on clothes.
A. kept
B. keeps
C. keep
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.
