[ Grammar & Vocabulary ]
Turn all the lights … when you leave the room. We don’t want to waste electricity
A. on
B. off
C. in
D. out
Select your answer:

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Modal AdverbsVocabulary and Modal VerbsModals, Infinitives and GerundsReflexive pronounsPassive Voice and ModalsSubject and Verbs AgreementActive and Passive Gerunds and InfinitivesReported Speech and TensesPresent and Future TensesGrammar RulesOther quiz:
Vocabulary › ViewHer new Hermes bag costs an arm and a leg.
A. Inaccessible
B. Very expensive
C. Beautiful
D. Very heavy
Grammar › View
You need __________ to use the internet.
A. key
B. Wi-Fi
C. reception
D. text message
