[ Vocabulary ]
Complicated; not simple
A. complex
B. domesticated
C. researchers
D. technologies
Select your answer:
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Grammar › ViewShe has _________ two books.
A. written
B. wrote
C. write
Conditionals › View
Experts say that New York ….. (not be) one of the top ten biggest cities in the world by 2050.
A. isn’t
B. won’t be
C. wouldn’t be