【单选题】【消耗次数:1】
The old man ______ across the street
walked
was walking
walks
were walking
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相关题目
【单选题】 A group of American soldiers were walking along the road in Irap when a bomb was _____, three of whom were killed.
①  set about
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①  正确
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①  Yes
②  No
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①  from; at
②  of; in
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④  for; during
【单选题】 5. The children were seen _______ musical instruments across the street.
①  play
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①  must die
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