[ Vocabulary & Grammar ]
The company hired technicians for the ___ of the new security system.
A. allocation
B. installation
C. detriment
D. hypothesis

Random Topics:
GerundPresent Perfect: for/sinceCausative VerbSimilesPunctuationsActive and PassiveSubject, Object, Possessive Pronoun and Possessive AdjectivesGrammar and Passive VoiceQuantifiers / Prepositions of Time and Comparative AdjectivesConditionalsOther quiz:
Conjunction › ViewEven though English is difficult, _________ I love it so much.
A. because
B. and
C. or
D. but
Tenses › View
How many languages ………… so far?
A. were you studying
B. have you studied
C. did you study
D. do you study
