一、根据句意及汉语提示写单词。
1. Short videos have(传播)Chinese culture widely around the world.
2. In ancient times, emperors were real(统治者)who could easily decide a person's life.
3. There is no(疑惑)that Xiao Ming will win the first prize.
4. Since ancient times, there have been countless(民族的)heroes in China.
5. China has been famous for its silk(贸易).

1.spread 2.rulers 3.doubt 4.national 5.trade

二、用方框中所给单词或词组的适当形式填空。每词(组)限用一次。
A
remain call believe boil one
6. Xiao Ming has an online shop Ming's Paintings, where he sells his works.
7. People were surprised that the house there after the earthquake.
8. It that this group is the first to solve this problem.
9. These students who are most successful are usually the who are creative.
10. Our physics teacher told us that usually water at the temperature of 100℃.
B
fall into take place by accident without doubt know about
11. The boy water because he was careless.
12. I met my good friend Anna when I went to the cinema yesterday.
13. I grew up in a small village where everybody my life.
14. We have to say bike sharing brings us much convenience.
15. The 2022 Winter Olympics in Beijing.

6.called 7.remained 8.is believed 9.ones 10.boils 11.fell into 12.by accident 13.knew about 14.without doubt 15.took place

三、根据句意，在空白处填入一个适当的词。
16. This afternoon I had accidental meeting with my friend Jack whom I haven't seen for many years.
17. There are many different kinds animals in the zoo.
18. There are some differences my sister and I.
19. I had no interest in cooking at all I met with a cooking book.
20. There is a broken bridge the river, which has a history of about 200 years.

16.an 17.of 18.between 19.until 20.over