[ Passive Voice with Modals ]
Safety instructions ___ at the start of every flight.
A. should be explained
B. should explain
C. should be explaining

Random Topics:
Conjunctions, Interjections and DeterminersQuestion WordsVocabularymust/shouldSimple Past/Past ProgressiveComparative AdverbsPassive Voice - Present Simple and Past SimpleVocab CheckingContrastive ConjunctionModals for ObligationOther quiz:
Grammar › View A cake …………… yesterday by mom.
A. Is made
B. Is make
C. Was made
D. Was make
Vocabulary › View
dispute
A. to disapprove or disagree with
B. person who represents others, often an elected official
C. disagreement, argument, or debate
D. join together to achieve a common goal
Grammar › ViewEverybody…….. work hard everyday.
A. doesn’t
B. isn’t
C. don’t
D. aren’t
Grammar › View
Both John and Jim said (he, they) were not exercising regularly.
A. they
B. he
