[ Modals of Obligation and Necessity ]
Mustn’t means that something is necessary.
A. TRUE
B. FALSE

Random Topics:
SimilesGrammar ElementaryQuantifiers: too many, too much & enoughSpeech TensesModal ProbabilityTensesConditionalPast Perfect Simple & Past Perfect ContinuousModal Verbs and ConditionalsModals and AdviceOther quiz:
Subject Verb Agreement › ViewThe teacher and the friend of mine _____ coming to visit me.
A. is
B. are
Present Simple Tense › View
Each night, Serena………………her little sister with geography homework.
A. kindly help
B. kindly helps
C. help kindly
Conjunctions › ViewWhich adverb best shows a cause-and-effect relationship? “The demand for electricity has risen; ___, energy costs have increased.”
A. likewise
B. however
C. consequently
Future Tenses › View
He ______ in the library this time tomorrow.
A. will be studying
B. studied
C. is studying
