Trắc nghiệm ôn tập
Achaeological relics have proved that humans in this region date back ___ about 10,000 – 20.000 years ago
Câu hỏi:
Achaeological relics have proved that humans in this region date back ___ about 10,000 – 20.000 years ago.
A.
off
B.
to
C.
in
D.
at
Đáp án đúng: B
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