[ 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:
Noun Clause › ViewIt is already known …….. Indonesia has been suffering from the economic crisis since 1997.
A. What
B. That
C. In case
D. Whether
E. In fact
Grammar › View
It is _____ that you will not pass if you don’t study.
A. argue
B. likely
C. contain
D. weight
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