[ Modal Verbs ]
The investigated was ongoing, but my guess was that it … one of the staff who had stolen the money.
A. must be
B. must have been
C. could be
D. could have been
Select your answer:
Random Topics:
Tenses - AuxiliariesPassive Modals in Different TensesPresent Perfect Tense and Simple Past TenseAdverb Clause ConnectorGrammar - Present Perfect with already, just, yetPreposition and AdjectiveModals and VocabularySimple Present and Present ContinuousArticleIN, ON & ATOther quiz:
Passive Voice, Question Tag, Prepositions › ViewThis gift is ______ you.
A. for
B. to
C. at
D. of
Grammar › View
Both the boys _____________ at home yesterday when the lights went out.
A. is
B. are
C. was
D. were