[ Modal Verbs of Obligation ]
You ____ turn on central heating. It’s automatic.
A. mustn’t
B. have to
C. don’t have to

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Correlative Conjunction & Complex SentencesVocabulary & Phrasal VerbContrastive ConjunctionsGrammar - Reflexive PronounsRelative ClausesVocabularyTime and CalendarGrammar - ConnectorsGender and GrammarWish clauseOther quiz:
Grammar › ViewAs soon as we went down to around 15 metres in depth, we ________ a lot of coloured fish.
A. saw
B. have seen
Grammar › View
John Montagu was an English Earl. He invented the sandwich.
A. John Montagu, whose invented the sandwich, was an English Earl.
B. John Montagu, who invented the sandwich, was an English Earl.
C. John Montagu, that invented the sandwich, was an English Earl.
D. John Montagu, invented the sandwich, was an English Earl.