[ Grammar ]
Tomorrow morning, both escalators in the store will be turned off periodically in order to perform _____ maintenance.
A. required
B. requiring
C. requires
D. require
Select your answer:
Random Topics:
Past and Perfect TensesWill or Going toPast Continuous Tense & Past ModalsGrammar - TOEICmust/should1st and 2nd ConditionalsSynonymsVocabulary & Phrasal VerbFuture PassiveOther quiz:
Tenses › ViewThey…this work yesterday.
A. do
B. did
C. will do
D. have done
Narrative Tenses › View
They __________ (dance) for hours before they finally __________ (get) tired.
A. danced, got
B. were dancing, got
C. had danced, got
D. had been dancing, got