[ Vocabulary & Grammar ]
………………………………………….tests, installs, maintains, and inspects monitoring devices.
A. A pipefitter
B. A welder
C. An electrician
D. An instrumentation technician

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Homophones › ViewSari’s gentle touch and her soft voice had a calming (affect, effect) on the frightened dog.
A. Effect
B. Affect
Grammar › View
Mrs. Baker is forty-two years old.
A. action verb
B. linking verb
C. helping verb