题文
I appreciated ______ the opportunity to study abroad two years ago.
| A．having been given |
| B．having given |
| C．to have been given |
| D．to have given |
推荐试卷
I appreciated ______ the opportunity to study abroad two years ago.
| A．having been given |
| B．having given |
| C．to have been given |
| D．to have given |
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