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Câu 642: What does " their " in paragraph 2 refer to? A. travelers B. businesses C. criteria D. guidelines
Đề bài
Câu 642: What does "their" in paragraph 2 refer to?
A. travelers
B. businesses
C. criteria
D. guidelines
Câu 642: What does "their" in paragraph 2 refer to?
A. travelers
B. businesses
C. criteria
D. guidelines