[ Grammar ]
You _____ use your mobile phone when you’re in a ‘quiet zone’.
A. mustn’t
B. haven’t to
C. don’t have to
Random Topics:
Mixed ConditionalsModals TensesModals and TensesPreposition FormDefinite vs Zero Article Abstract NounsSentences Function and StructurePrepositions of Place & TimeAdjectives & AdverbsVocabulary and PrepositionsAdverb of Frequency and TensesOther quiz:
Adjective Clauses › ViewLeony met a woman _____ can speak six languages
A. who
B. whom
C. which
D. whose
Grammar › View
Which one is correct?
A. a cotton small bag
B. a small cotton bag
Determiners › ViewHow_________ sugar would you like in your coffee?
A. many
B. much
Grammar › View
The windows ___ by the janitor.
A. cleaned
B. are cleaned
C. cleans
D. cleaning