题文
The young couple, who returned my lost wallet, left _______ I could ask for their names.
| A.while |
| B.before |
| C.after |
| D.since |
推荐试卷
The young couple, who returned my lost wallet, left _______ I could ask for their names.
| A.while |
| B.before |
| C.after |
| D.since |
试题篮
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