Many Europeans (explored/chiose) the continent of Africa in 19th century.how shall I choise? my teacher said i should chiose"explored" but I think I should chiose chiose.how shall i chiose?(explored/expanded) what shall i chiose

Chinese Traditional Festivals Do you like Chinese culture? Do you know Chinese traditional festivals?Now let me tell you something about Chinese traditional festivals. The Spring Festival is one of the most important festival in China. It’s on lunar December 31. On that day,Chinese people like to stay with their familys and have a big dinner. Dumplings and fish usually are peoeple favorite food. And at midnight people will set off firecrackers and fireworks. It’s very interesting. 15 days after the Spring Festival is the Lenter Festival. It is also the last day of Chinese New Year. On that day there is a celebration all over China by many beautiful lanterns! Traditionally, people eat tangyuan on the night of the Lantern Festival, because it symbolizes family unity and happiness. And children go out at night carrying lanterns. The Dragon boat festival is the fifth day of the fifth month. Today, Dragon Boat Festival is the Chinese people is still a very popular in the grand festival.The festival is in memory of a Chinese poet called Qu Yuan.But now the festival has developed into a joyous event characterised by dragon boat races and rice dumplings wrapped in lotus leaves. So do you know Chinese traditional festivals? Do you like Chinese culture now?

what is the adverbial clause, how to use? Examples

我想说一口流利的英语 我来自中国，我很喜欢英语，也很希望能说一口流利的英语，但是没有人一起交流，谁愿意和我交谈

What is slang, can you illustrate ?