题文
— I must apologize for ________ ahead of time.
— That's all right.
| A．letting you not know | B．not letting you know. |
| C．letting you know not | D．letting not you know |
推荐试卷
— I must apologize for ________ ahead of time.
— That's all right.
| A．letting you not know | B．not letting you know. |
| C．letting you know not | D．letting not you know |
试题篮
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