[ Grammar ]
When I______ my best friend, she______ as a voluntary teacher in Dream Homeless Shelter.
A. met / was working
B. was meeting / was working
C. met / worked
D. was meeting / worked

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Grammar : can, could and be able toPassive VoicesIndependent ClausesGrammar and SyntaxAdjectives and VocabularyHow many / How much - Is there / Are thereConditionals and Modal VerbsGerunds/InfinitivesVerbal PhrasesIN, ON & ATOther quiz:
Modals › View________miss the class because of club activities.
A. You can’t
B. You don’t have to
C. You must
D. You may
Grammar › View
We have seen great technology _____ over the years.
A. develop
B. developed
C. development
D. developing