69.What is the text mainly about? (A)Learning to paint in later life. (B)How to paint watercolors. (C)An artist-turned teacher. (D)Life after retiroment.

67.We may infer from the last lwo paragraphs that . (A)different teaching methods should be used (B)grammar-hased teaching seems to be encouraging (C)English courses are necessary for foreign students (D)teaching content should be changed halfway