[ Grammar ]
They’d have been able to return the bottle if they — the labels.
A. hadn’t torn off
B. didn’t torn off
C. don’t torn off

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Have as verb and auxiliaryDEGREE COMPARISONVerb + InfinitivePerfect Verb TensesGrammar : Structural Common ErrorsWh-QuestionFirst ConditionalsThe First Conditional (if/unless)Stative Verbs and TensesFamily VocabularyOther quiz:
Modal Verbs › View_____ you mind if I open the window?
A. Can
B. Must
C. Could
D. Will
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_____ my homework when my mother came.
A. already did
B. have already done
C. has already done
D. had already done
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A. picks
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Choose the correct answer
A. The two women are carrying bags on their backs.
B. The tea plantation is on flat ground.
C. Tea grows well on the hill slopes
D. The two women are plucking the flowers.
