_____ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.
| A.To wait | B.Have waited |
| C.Having waited | D.To have waited |
推荐试卷
_____ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.
| A.To wait | B.Have waited |
| C.Having waited | D.To have waited |
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