题文
—John, how did your maths exam go?
—I thought I________， but in fact I came in the top ten in the class.
| A．should have failed |
| B．couldn't have failed |
| C．might have failed |
| D．mustn't have failed |
推荐试卷
—John, how did your maths exam go?
—I thought I________， but in fact I came in the top ten in the class.
| A．should have failed |
| B．couldn't have failed |
| C．might have failed |
| D．mustn't have failed |
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