1 . Investigations have indicated that the virus was most likely to o________ (起源)from the seeds. （根据中英文提示填空）

2 . S_________(统计数字) show that by the end of 2020 China’s high-speed railways had covered nearly 95 percent of cities with a population of more than 1 million. (根据中英文提示单词拼写)

3 . The forest fires in Liangshan became so wild on March 31, 2019 that 30 firefighters had great difficulty e________ from it and lost their lives finally. (根据首字母单词拼写)

4 . These patterns are unique to each person. T________ (因此), the keyboard can determine people’s identities. (根据中英文提示填空）

5 . When the doctor e________（检查）Lara’s ankle, the clown got her attention by doing a magic trick. (根据中英文提示填空）

6 . "Thunderstorm ________（焦虑）" is common among dogs, and some dogs tremble with fear under the owner's beds during thunderstorms. （根据汉语提示单词拼写）

7 . Anyways, I wanted you guys all to know that I’ve been taking a really hard look at things and come to the ________ (结论). (根据汉语提示单词拼写）

8 . The painting is m______ made of different shades of yellow, with a little orange and green thrown in.（大部分）（根据中英文提示填空）