[ Modals Verbs ]
I ____ turn off the oven. Now the cake is ruined.
A. must have forgotten
B. could have forgotten
C. should have remembered
D. can have forgotten
Select your answer:

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TOEFL Adjective and AdverbArticles - rulesUsed to - Would - TensesPronounciation and GrammarNarrative TensesUnscramble SentenceModals of Obligation and NecessityPersonal & Possessive PronounsAdjectives and PrepositionsVerb + InfinitiveOther quiz:
Grammar › ViewIs the pronoun reference clear or unclear?
Mike told John that he needed to make some money.
___
A. clear
B. unclear
Conjunctions › View
Do you want tea ____ coffee?
A. and
B. or
C. but
