[ Modals ]
He ___ have forgotten his keys. That’s why he can’t get in.
A. could
B. may
C. must
D. would
Select your answer:

Random Topics:
Present, Past, and Future TimeVocabulary and Modal VerbsPhrases and ClausesQuantifiers / Prepositions of Time and Comparative AdjectivesTo Infinitive/Bare Infinitive/GerundsPassive to ActivePrepositionGrammar speak,talk,say,tellMuch, many, a lot of, a few, a littleModals Deduction: cant /mustOther quiz:
Past Tenses › ViewWhen they got married, they ______ each other for 10 years.
A. knew
B. were knowing
C. had known
D. had been knowing
Grammar - Imperatives and Let › View
_____ here, please.
A. Come
B. You come
C. Let’s come
