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Câu 639: What is the main idea of paragraph 5? A. Challenges that hinder the expansion of renewable energy projects B. Ways to train local t...
Đề bài
Câu 639: What is the main idea of paragraph 5?
A. Challenges that hinder the expansion of renewable energy projects
B. Ways to train local technicians
C. Government regulations on electricity pricing
D. Political support for renewable energy
