[ Future Perfect Continuous Tense ]
The construction workers … for more than 90 minutes when the bell ring.
A. wouldn’t have been sleeping
B. won’t have been sleeping

Random Topics:
Question TagCorrelative ConjunctionModal SpeculationConditional Sentence Type 3On, At, BySimple and Continuous Present TenseSimiles, Metaphors, Personification and HyperboleComparativeModals of AdvisabilitySubject Verb Agreement and Verb TensesOther quiz:
Grammar › ViewWhere does the colon go in the following sentence?
Janey could be described in two words hostile and erratic.
A. After described
B. After hostile
C. After words
D. After erratic
Grammar › View
Should we let ____ know or should we just keep quiet?
A. him
B. he
C. his
Grammar › ViewHarry up, you will ___ the train.
A. lose
B. fall
C. miss
Grammar › View
He has published ________ articles on various topics.
A. a wide range of
B. a variety of
C. an array of
D. a number of
