[ Grammar ]
Choose the sentence where “mustn’t” is used incorrectly.
A. They mustn’t enter the restricted area.
B. We mustn’t to forget to lock the door.
C. You mustn’t drink and drive.
D. She mustn’t be careless with fire.

Random Topics:
Infinitives and GerundsModal Verbs of ObligationSubject Verb Agreement and Coordinating ConjunctionsNoun ClauseVerb IdentificationTenses of Verbs - UsageReported - GerundSimple Future - PassiveNoun ClausesComparative and Superlative AdjectivesOther quiz:
Relative Clauses Pronouns › ViewWhen you’re in a scary ________________, it’s always good to call your parents.
A. comment
B. common
C. pressure
D. situation
E. stranger
Reported Speech › View
I need money! Please! Give me money! Please! Please!
A. add
B. claim
C. promise
D. insist