题文
By the time I locked the door, I realized I ________ my keys at home.
| A．had repaired | B．had changed |
| C．had forgotten | D．had left |
By the time I locked the door, I realized I ________ my keys at home.
| A．had repaired | B．had changed |
| C．had forgotten | D．had left |
试题篮
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