______ the problem has been identified, appropriate action can be taken.

(单选题)—Will you go to Professor Smith’s lecture tomorrow?—I would (单选题)China has officially set Sept.3 as “Victory Day” to mark Chi (单选题)The New York Times, ______ world-famous newspaper, conducted (单选题)The topic of this passage is that ______. (单选题)What can we infer from the passage? (单选题)What is the author’s attitude towards city farming? (单选题)The author refers to the farming job of his grandfather ____ (单选题)What does the author intend to tell us in the last paragraph (单选题)Which of the following best explains “redirects” underlined (单选题)From the text, we know the fact that ______.