Thanks to various sensors _____ in every home and public place, Barbara’s center can predict probable disaster
A. installed
B. installing
C. installment
D. to install

Random Topics:
Conjunction: Because and SoConditional ClauseTypes of PrepositionFuture TensesPast and Perfect TensesInfinitives and GerundsGrammar PhrasesSimilesUnreal ConditionalsAdjective OrderOther quiz:
Grammar › ViewComplete the sentence with the correct SUPERLATIVE ADJECTIVE to complete the sentence. ¨My mom says that I am the ____ ______ (beautiful) girl in the world.¨
A. beautifulest
B. most beautiful
C. most beautifullest
Grammar and Vocabulary › View
Choose the antonym for the word ‘easy’: ‘The exam was not ___.’
A. simple
B. difficult
C. smooth
D. effortless
Modal Verbs for Permission and Obligation › ViewWrite a sentence using ‘need to’ to express a necessity.
A. I need to go to the store later.
B. You need to clean your room tomorrow.
C. They need to watch a movie tonight.
D. I need to finish my homework before dinner.
Adverb Clauses › View
__________ you study hard, you won’t pass the exam.
A. If
B. After
C. Unless
D. Because
