[ Vocabulary & Grammar ]
You ______________ interrupt other people while they are talking, especially the elderly.
A. Mustn’t
B. mightn’t
C. don’t have to
D. Couldn’t

Random Topics:
Articles & Compound NounsTransitional Phrases and ConjunctionsAdjectives & QuantifiersPunctuationCan vs be able totoo / enoughObject PronounModals for DeductionAdverbTenses and Sentence CompletionOther quiz:
Tenses › ViewThey ………. the lesson well every day.
A. understands
B. understanding
C. understand
D. understood
Grammar › View
They ________ gone out. Their car is in the garage.
A. might have
B. must have
C. can’t have
Grammar › ViewI _____ your apology.
A. accept
B. except
Vocabulary › View
to remove objectionable passages or words from a written text; to cleanse, purify
A. expurgate
B. relegate
C. impugn
D. disavow
