1 . They just busied themselves in playing their cellphones, totally ignoring their grandpa, ________ let out a deep sigh and left the party. (用适当的词填空)

2 . To avoid such conflicts, we should be kind to one another, ________ is essential to enjoying a harmonious life. (用适当的词填空)

3 . The report also gave an example of Kunqu Opera, one of the oldest Chinese operas, _________ attracts over 100 million listeners born after 1990. (用适当的词填空)

4 . “But when I came to the special education school, I even found a completely blind teacher was giving a class, ________ inspired me to work hard to become a special education teacher in the future,” Zhang said. (用适当的词填空)

5 . Becca Rodomsky-Bish, ________ works at the Cornell Lab of Ornithology in New York, is the project’s leader. (用适当的词填空)

6 . Among the civilian teams that left for Turkey on Wednesday was Blue Sky Rescue, a nonprofit Chinese civilian organization, ________ members come from provincial-level regions of China. (用适当的词填空)

7 . Thousands of years ago, they formed those ancient tea plantations,________ are the best gift that nature has granted us. （用适当的词填空）

8 . Having survived many centuries, kites have become one of the country’s representative traditional handicrafts, ________ making techniques were included in the list of China’s national intangible cultural heritage (非物质文化遗产) in 2006. (用适当的词填空)

9 . “It can get really crowded with customers, especially on weekends, during ________ we need to keep the door open from 11 in the morning to 12 midnight,” a shop owner said. （用适当的词填空）

10 . The research team included Canadian doctor Allan Slomovic, ________ has done ground-breaking work on eye care using stem cells. (用适当的词填空)