[ Present Perfect and Present Perfect Progressive Tenses ]
We ___ (read) this book for an hour.
A. are reading
B. have read
C. have been reading
D. read

Random Topics:
Present simple & ContinuousPerfect Tenses of VerbsComparatives - SuperlativesGrammar - Present and Past PassiveSubordinating ConjunctionsPassive Modals, Impersonal PassiveGrammar and IdiomsPresent Simple for Future ArrangementPast and Future TensesComparative and SuperlativesOther quiz:
Nouns & Pronouns › View…………………of the construction project is scheduled for the end of September.
A. Complete
B. completed
C. completely
D. completion
Past Perfect and Past Perfect Continuous Tense › View
And then finally, after he told me everything, I realised what _________ (happen) to him when he was a little boy.
A. had happening
B. had been happened
C. had happened
D. had been happening