[ Irregular Verb ]
I didn’t call you last night because I … (know) you were busy.
- known
- know
- knew

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Adverbs and AdjectivesAdjectives-Comparison, SuperlativeAll, Both, Neither, None, EitherVocabulary, Grammar, SpellingPassive Voice with Modal VerbsPronoun & Present SimpleSimple Present and Simple PastRelative Clauses and Past PerfectSimple vs Continuous Past TenseAdjectives Ed and IngOther quiz:
Vocabulary › ViewBeing able to adapt to new situations is a sign of _____ in the workplace.
A. flexibility
B. rigidity
C. stability
D. consistency
Grammar › View
Sara______busy on the computer, she wants to check on her results.
A. are
B. is
C. was
D. were
