题目内容:
根据下列题干,回答题The major problem with Email is that it is (1) easy to use that people can become (2) with messages (3) they can possibly answer in a day.In addition,mail boxes require some management to (4) messages or archive those that might be required later.Senders don't always know about your Email backlog and often send (5) messages.
请选择(1)处最佳答案
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答案解析: