[ Grammar ]
When I called you last night, you ______ your homework.
A. are doing
B. were doing
C. did
D. do
E. was doing

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Do not- Does notPresent Perfect or Past SimplePresent Simple QuestionsGrammar MistakesLinking WordsFuture Tenses and ModalsModal Verbs and Contrastive ConjunctionsNoun Phrases and AdverbialsTOEFL Adjective and AdverbModals, Conditionals, and Clauses- Defining, Non-definingOther quiz:
Modals › ViewThat restaurant _____ be very good. It’s always full of people.
A. can
B. must
Noun, Verb, Adjective › View
I know I will be successful.
A. noun
B. verb
C. adjective