[ Modals ]
Which modal verb is used to indicate an ability that existed in the past?
A. might
B. should
C. could
D. would

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ComparativesGrammar and VocabularyRelative - ConditionalFamily VocabularyArticles and NounsVerb Tenses and Past ParticiplesOffering HelpVerb PhraseRelative & ModalsEmployment VocabularyOther quiz:
Simple Present Tense › View___________ your car clean?
A. Does
B. Do
C. Is
D. Are
Grammar › View
You were not supposed to leave the room without permission.
A. You should have asked for permission to leave the room.
B. You must have asked for permission to leave the room.
Grammar › ViewThe ozone layer is an invisible layer of protection around the planet that protects us ____ the sun’s harmful rays.
A. away with
B. from
C. under
D. out of
Grammar › View
To persuade somebody NOT to do something
A. Contention
B. Benevolent
C. Discrepancy
D. Dissuade
