[ Grammar ]
Plastic ______ since the 19th century.
A. has used
B. was used
C. has been used
D. is used
Select your answer:
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Vocabulary › ViewWhat is the antonym for mercenary?
A. a professional soldier hired by a foreign army
B. fighter
C. Volunteer
D. warrior
Vocabulary › View
the action or an instance of making a judgment about something : the act of assessing something
A. resistor
B. utilities
C. appall
D. assessment