[ Modals with Perfect Infinitive ]
I’m not sure where the boss went this morning. He ___ to our other branch office in Glendale.
A. may have gone
B. should have gone
C. need to have gone
D. must have gone

Random Topics:
Verbal and Appositive PhrasesDo not or Does notModals and Past TensesGerunds and InfitinitivesIndependent ClausesPresent Tenses and VocabularyGerund vs InfinitiveModal Verbs for Permission and ObligationClauses and GerundsCohesive DevicesOther quiz:
Present Simple Tense › ViewYou _______ (play) volleyball once a week.
A. are playing
B. plays
C. play
D. to play
Vocabulary › View
In which sentence is the word “undeniably” most correctly used?
A. He was undeniably lying. You could see it in his face.
B. The sunset was undeniably beautiful, painting the sky with a palette of warm and vibrant colours.
C. Undeniably, she is the most hardworking person in the class.