【单选题】【消耗次数：1】
She was doing her homework _____ the bell rang.
①
while
②
when
③
that
④
how
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相关题目
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Kingsley took a lot of ______________ with her while traveling because she was doing scientific research on fish.
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furniture
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equipment
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information
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When she was criticized, she claimed that it was outside her _____of responsibility.
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field
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turned into
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She resorted to ____ when she had no money to buy foods for her children.
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When she saw the clouds, she went back to the house to
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She resorted to _____ when she had no money to buy foods for her children.
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have stolen
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【多选题】
_____________ when the phone rang.
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Scarcely I had entered the room
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随机题目
【单选题】
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①
IP地址是由网络地址和主机地址两部分组成
②
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【单选题】
要将一个IP 地址是 220.33.12.0的网络划分成多个子网，每个子网包括25 个主机并要求有尽可能多的子网，指定的子网掩码应是为（ ） 。
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