[ Grammar ]
Choose the correct alternative.
Anna _______ her homework when I called.
#
A. did
B. was doing
C. does
D. were doing

Random Topics:
English ArticleGrammar - could / could notTOEIC GrammarPassive Voice, Modals of Deduction and First ConditionalProgressive Perfect and Simple Verb TensesContrast Linking WordsPassive Voice in Past Simple TenseGrammar ClausesPresent Tenses and ConnectorsVerbs & Verb TensesOther quiz:
Present Continuous Tense › ViewThe children … in small groups.
A. Are playing
B. Is playing
Grammar › View
How do you make this machine ________________? (WORK)
A. working
B. to work
C. work
