49.（ ）

(单选题)Which of the following is true according to the passage? (单选题)According to the writer, which was the most important lesson (单选题)What does the underlined word mean in Chinese? (单选题)How many lessons Steve gave to Mark are mentioned in the pas (单选题)If you suspect that the illness might be serious, you should (单选题)I’m sure that your letter will get ______ attention. They kn (单选题)Doctor Black comes from either Oxford or Cambridge. I can’t (单选题)Is this picture ______ you mentioned in your last letter? (单选题)Your answer ______ her so much that she was very ______ with (单选题)The dog seems very quiet now, but he still ______ go by.