[ 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 › ViewYou—— across the desert in a week but you—— sure that you will have reached the end of the region until a week finishes for it may be dangerous.
A. can walk/ must make
B. may walk / may take
C. could have walked / can make
D. have to walk / must have made
E. should walk/ could walk
Present Forms and Narrative Tenses › View
Does he …………… how to play football?
A. Know
B. Knowing
C. knows
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
