[ Word Form & Verb Tense ]
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:
Idioms › ViewTo “dish out” means ___.
a. to serve
b. to gossip
c. to make
Prepositions of Place › View
There is a loose panel _____the cargo door.
A. on
B. in
C. at
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
