[ Grammar ]
While I ……………….. my homework, I had a good idea.
A. did
B. was doing
C. were doing
D. had done

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Personal & Possessive PronounsPast Perfect Tense and Past TenseVocabulary and TensesSo / Neither / Either / TooGrammar - Nouns, Verbs, and AdjectivesModals of AdviceTenses - AuxiliariesModals and Past TensesPresent Simple vs Present ContinuousGrammar ElementaryOther quiz:
Articles & Quantifiers › ViewYou look tired. Are you doing ______ work?
A. many
B. much
C. few
D. plenty
Conjunctions, Interjections and Determiners › View
She always actively listens during class discussion, ______________ she easily understands the lesson.
A. but
B. so
C. nor
D. or
Grammar › ViewShe _____ very busy yesterday working on her project.
A. were
B. was
C. be
D. being
Vocabulary › View
The dictionary definition of a word
A. Denotation
B. Tone
C. Connotation
D. Theme
