摘要： 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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________ 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
______ 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?
查看习题详情和答案>>______ 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
查看习题详情和答案>> _______ 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 |