[ Modals Verbs ]
I don’t see the cookies. Someone ____ all of them.
A. must have eaten
B. could have eaten
C. may be eating
D. must be eating
Select your answer:

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Future TensesTenses & PrepositionGrammar and PunctuationSpeech TensesTime and CalendarPrepositions of Location, Movement and TimePaired ConjunctionComplex PrepositionsHave toSentence Types and ConjunctionsOther quiz:
Idioms › ViewIf a problem suddenly happens, it is the same as a problem has just ___ up.
a. lit
b. beat
c. cropped
Present Perfect Tense › View
It ___rained a lot this year.
A. has
B. have
