[ Complex Sentences with Adverb Clauses ]
______you leave the room, turn off all devices
A. After
B. before
C. till
D. until

Random Topics:
Future Tenses, Conditionals and ProfessionsWH Questions and Simple Past TenseAuxiliary Verbs, if, unless and ModalPrepositions of Place and TimeFuture SimpleTAG QuestionsFinite and Non-Finite VerbPronounciation and GrammarGrammar Like & Linking VerbGrammar SuffixesOther quiz:
Perfect Progressive Tenses › ViewBy the end of the week, he ______ (complete) the marathon training for six months.
A. will have completed
B. will have been completing
C. will have been training
Present Perfect Tense › View
My father _________ golf before.
A. never played
B. has never played
C. have never played
D. has not playing
Phrases › ViewIdentify how the underlined gerund phrase is being used in the sentence:
Jessica really enjoys bothering the neighbors with loud music.
A. subject
B. object of the preposition
C. direct object
D. predicate noun
Grammar › View
‘Several hotels in this region are closing down.’ ‘That’s because tourism itself….since last year.’
A. Was declining
B. Has been declining
C. Declined
D. Had declining
