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

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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