1. _____ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.

2021-04-14

答案：

Having waited

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______ on the subway for nearly half an hour, the old lady suddenly realized that she had left her handbag on the taxi.
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[u] [/u] in the queue for half an hour, the old man suddenly realized he had left the cheque in the car. A: Waiting B: Having waited C: To wait 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181}
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___ in the queen for half an hour, the old man suddenly realized be had left the cheque in the car. A: Waiting B: To wait C: Having Waited D: To have waited
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After walking for half an hour, he suddenly realized that he _____ in the wrong direction. A: was walking B: has been walking C: had been walking D: walked
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____ on the subway for nearly half an hour, the old lady suddenly realized that she had left her handbag on the taxi. A: Having sit B: To sit C: Sitting D: To have sit