[ Noun Clause ]
Do the police know __
A. who the bank robbed last night?
B. who robbed the bank last night?
C. whom robbed the bank last night?

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World Literature VocabularySubject and Verbs AgreementModals and Past ModalsPassive Modals in Different TensesPerfect Progressive TensesSpeculation with Modal VerbsVerb Types and TensesPossessive Nouns with Apostrophes and PronounsAdverbs of Timewould should couldOther quiz:
Participle Adjectives › ViewMy little sister was __________ after watching the horror film. She couldn’t sleep!
A. terrified
B. terrifying
Tenses › View
………….she run a lot?
A. Do
B. Does
C. Is
D. Are