[ Passive Modals, Impersonal Passive ]
The robbers ___ through an air vent yesterday.
A. are believed to be escaping
B. are believed to escape
C. are believed to have escaped

Random Topics:
-ed and -ing AdjectivesAcademic VocabularyModal Verbs of ObligationPresent Simple and Past ContinuousSecond and Third ConditionalSo or SuchPresent Simple and Present Continuous TensesPresent Perfect, Present Simple, Present ContinuousConditional Sentence Type 2Passive Voice, Modals of Deduction and First ConditionalOther quiz:
Future Tenses › ViewIdentify the Present Continuous tense in the following sentence: ‘She is singing a song beautifully.’
A. are singing
B. am singing
C. is dance
D. is singing
Grammar › View
Dan made the statue ___ is so famous.
A. who
B. which
C. where
D. when
