[ Tenses ]
They ____ (not/do) their homework yesterday at 3 o’clock
A. was not doing
B. were not doing
C. was not do

Random Topics:
Synonym and AntonymRegular and Irregular AdverbPast Tense vs Present Perfect TenseNoun and Modal VerbsPresent Simple for Future ArrangementTenses StructureAdverbial Clauses of Reason / Cause-ed or -ingUnless If First ConditionalComparatives ( adj/ adv)Other quiz:
Vocabulary › ViewMy cousin is a very ____ person because he has a lot of knowledge about current topics and particular situations.
A. determined
B. decisive
C. well-informed
Types of Sentences › View
It was Sam who paid for the drinks.
A. Compound sentence
B. Complex sentence
C. Simple sentence
D. Compound complex sentence
Modals of Speculation and Deduction › ViewIdentify the modal of speculation in the following sentence: ‘She may have already finished her homework.’
A. may have
B. will have
C. might have
D. could have
Grammar › View
When I arrived at work my boss _______________ to see me.
A. Was waiting
B. Waited
C. Had waited
D. Has waited