[ 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

Random Topics:
Preposition of TimeVerb & GrammarQuantifiers and AdjectivesPrepositions and ArticlesTo infinitive - Gerundas...as, comparatives, superlativesPresent and Future TensesConnectors-ed/-ing AdjectivesTenses and ArticlesOther quiz:
Tenses › ViewBy next Friday, we __________ here for three weeks.
A. will have been staying
B. will stay
C. have stayed
D. are staying
Grammar › View
Penny … of getting her children a dog.
A. thinks
B. is thinking
C. used to think
D. didn’t use to think
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.
