4 . The Chinese language uses a huge number of characters, _________ most European languages use individual letters that combine into words. (用适当的词填空)

6 . It’s something of a cliché (陈词滥调) that most people learn not from their successes ________________ their mistakes. (用适当的词填空)

7 . Standing on the stage and performing can be tough, ________ when you do it in a group, it can help improve your sense of self as well as increase your confidence. (用适当的词填空)

8 . ）Wupeng boats in different spots around the city have various routes.You can carefully choose and appreciate the historical ______ cultural old town on the small boat. (用适当的词填空)