[ Grammar ]
We _____ for about 20 minutes when the plane was hit by turbulence.
A. flew
B. were flying
C. had flown
D. had been flying

Random Topics:
Present Simple QuestionsPronouns of QuantityAuxiliary Verbs (be, do, have)Verb-ing or to VerbDeterminersCoordinating ConjunctionsPast Narrative TensesModals and Past ModalsGrammar and IdiomsPresent Perfect TenseOther quiz:
Grammar › View“Excuse me, _______ is the national monument?” asked the tourist.
A. who
B. why
C. where
D. whose
Modal Auxiliaries › View
Identify the modal in this sentence: You should see a doctor if you’re feeling unwell.
A. could
B. might
C. should
D. would
Definitions, Synonyms › ViewBeseech
A. Emplor
B. Elicit
C. Appeal
D. Amplify
Adverbs › View
Identify the adverb in the sentence: ‘She spoke softly to the child.’
A. spoke
B. child
C. softly
D. to