Topics: Modal Verbs - Obligation
This is very important. You ______ forget what I said.
A. must
B. mustn’t
Select your answer:

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Vocabulary › ViewWhat is ‘Inertia’?
A. A tendency to do nothing or remain unchanged.
B. Making marks that cannot be removed; unforgettable.
C. A feeling of pensive sadness, typically with no obvious cause.
D. Lack of variety and interest; tedious repetition.
Passive Voice with Modals › View
The emails ___ by the manager before they are sent out.
A. must be reviewed
B. must review
C. must be reviewing
