I’m not sure if I passed the exam. I … the exam.
A. couldn’t pass
B. couldn’t have passed
C. might not pass
D. might not have passed

Random Topics:
Adverbs of Manner, Likes and PreferencesAdverbs and Time ExpressionsConditional Sentences and Verb FormDemonstrative PronounsAdverbs (manners & modifiers)Modals of PredictionTo Infinitive/Bare Infinitive/GerundsUnscramble SentencePresent Progressive or Present SimpleParallelism and Subject Verb AgreementOther quiz:
Modal Verb › ViewWhen Vera was young, she ____________ type quickly. She took a typing class and now she ____________ type very quickly!
A. could not… can to
B. can… could
C. could not… can
Vocabulary › View
franchise
A. A franchise is a type of business allowed to sell a product or provide a service under a business’s name.
B. A franchise is a type of car
C. A franchise is a type of fast food restaurant
D. A franchise is a type of computer software
Perfect Tense › ViewA: What did they ask you when you went through customs?
B: The inspector asked us ________ out of the country.
A. where did we go
B. where to go
C. how long we had been
D. how long had we been
Prepositions › View
… summer. I often go to London.
A. In
B. On
C. At
