The main reason for the latest rise of oil price is ______.

(单选题)If you want to improve your spoken English, you’d better ___ (单选题)Which of the following statements about the author is TRUE? (单选题)Which of the following statements is the author most likely (单选题)According to Paragraph 3, the opportunity to do kind things (单选题)The underlined word “that” in Paragraph 3 refers to ______. (单选题)According to Paragraph 1, what change does the author want t (单选题)（ ） (单选题)（ ） (单选题)（ ） (单选题)（ ）