问题
选择题
— Can you tell me what time the flight to Detroit leaves? — I'm sorry, but it ____ due to the fog. |
A. has been canceled B. had been canceled C. has canceled D. had canceled |
答案
答案:A
— Can you tell me what time the flight to Detroit leaves? — I'm sorry, but it ____ due to the fog. |
A. has been canceled B. had been canceled C. has canceled D. had canceled |
答案:A