题目内容
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 |
C
略
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题目内容
| A.had flown | B.could have flown |
| C.will have flown | D.has flown |