Speaker: Thank you all for your attention.
Host: Professor Cohen, .
Speaker: Sure.
A. we'd like to thank you anyway. B. I wish you a safe trip hack. C. would you like to take some questions? D. could you expand on it?正确答案D
Speaker: Thank you all for your attention.
Host: Professor Cohen, .
Speaker: Sure.
A. we'd like to thank you anyway. B. I wish you a safe trip hack. C. would you like to take some questions? D. could you expand on it?正确答案D
