中国大学MOOC: _________ is a mixed single- and double-track, railroad in China.
举一反三
- 中国大学MOOC: Guangyang Railway is the first railroad in China which was designed, built, and financed by the Chinese.
- 中国大学MOOC: Air China, _________ , China Southern Airlines are the three major airlines in China.
- 中国大学MOOC: Japan is _____ the east of China, Taiwan is _____ the southeast of China.
- 中国大学MOOC: China Daily is the only English-language newspaper in China.
- 中国大学MOOC: Air China, China Eastern Airlines, China Southern Airlines are the three major airlines in China.