情态动词must/need的用法 — 英语填空题
题目
完成句子，每空一词：为了保护个人数据，每个用户都______设置一个强密码；但他______不必每天更换密码，每月一次就够了。To protect personal data, every user ______ set a strong password, but he ______ change it every day. Once a month is enough.
《Unit 7 Data safety》其他练习题
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To keep your account safe, you ___ share your password with anyone. A. mustn't B…
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A secret combination of letters, numbers, and symbols that you enter to log in t…
词汇题
写出下列网络安全相关词汇的英文：密码。
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完成同一份线上问卷调查前，妈妈对小明说："You ______ share yo…
选择题
— Tom, could you tell me what you will do if your computer ______ a virus (病…
词汇题
根据句意，补全表示条件的单词：___ you keep your password secret, …
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情态动词must/need的用法