The 850-year-old France’s Notre-Dame cathedral(巴黎圣母院), which     1     (damage) in April after a big fire, was     2     most visited historic monument in Europe. Since the fire, Chinese and French authorities have been     3     touch with each other about cooperation on repairing     4    . “China has a great deal of experience in restoring ancient buildings     5     (affect) by fire, especially the ones made of wood,” said Chai Xiaoming, director of the Chinese Academy of Cultural Heritage, in an interview with state-run China Daily. “This     6     (mean) we could offer suggestions on how     7     (carry) out the restoration of the roof on Notre Dame Cathedral,” he said. It was reported     8     the two countries had signed a document during President Emmanuel Macron’s visit to Beijing. China and France will     9     (effective) cooperate on the theme and select Chinese expert     10     (candidate) for the cooperative restoration work in 2020.