题目内容：
Maintaining an energetic presence is very difficult to do unless______________________________________.
参考答案：
答案解析：
填空题：Maintaining an energetic presence is very difficult to do un
- 题目分类：英语四级
- 题目类型：填空题
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I use AOL's (TWX) Truveo.com to retrieve clips of business s
I use AOL's (TWX) Truveo.com to retrieve clips of business speakers to__________
What does the example mean in the third paragraph?
What does the example mean in the third paragraph?
Based on what you read, the ad is intended for the _________
Based on what you read, the ad is intended for the __________ .（ ） A．recruitmen
群体
群体
问题解决的两种形式分别是__________和__________。
问题解决的两种形式分别是__________和__________。