6.The book is educational,you shold read it carefully.
7.The film is meaningless.We don't like it at all.
8.Can you tell me what your main idea is?
9.Over 80 years ago ,Mickcy Mouse appeared in the cartoon.
10.We hope you have a wonderful and successful vacation.
6.educational 有教育意义的
7.meaningless 没有意义的
8.main 主要的,最重要的
9.appeared
10.successful 成功的
6. educational; 7. meaningless; 8. main; 9. appeared; 10. successful.