29．—May I speak to your manager at three o’clock tomorrow afternoon ?
—I’m sorry, He to Shanghai by then
A. had flown
B. could have flown
C. will have flown
D. has flown
网友回答
A. had flown
B. could have flown
(答案→)C. will have flown
D. has flown
解析：可联系答.案.网客服索取。