[ Grammar ]
The party isn’t a formal occasion. You ___ wear a suit.
A. needn’t
B. mustn’t

Random Topics:
Definite & Indefinite Pronoun & ConditionalsModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityObject PronounsPassive Voice - Present TensesFuture Perfect vs Future ContinuousModal Auxiliary VerbsPresent Perfect Simple vs ContinuousPhrase vs ClauseWorld Literature VocabularyThe First Conditional SentenceOther quiz:
Tenses › ViewFor singular subjects we use:
A. were
B. was
The First Conditional Sentence › View
What will happen if my parachute ____________ (not open)?
A. don’t open
B. doesn’t open
C. open
D. opens
Grammar › ViewWhich of the following best defines a gerund?
A. A verb acting as an adjective
B. A verb form that functions as a noun
C. A verb phrase that shows a completed action
D. A verb used in an interrogative sentence
Prepotitions › View
keen
A. in
B. on
C. to
