1 . 请你修改以下的每个句子，每句有1处语言错误，错误涉及一个单词的增加或修改。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线(＼)划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
1. A good slogan is a great helper, which makes easy for people to remember and spread certain ideas.
2. The boss keeps his photo with the Olympic champions to his office when anyone will spot it with ease.
3. At 8848 meters, the top of Himalayas, stand the bravest climber who had finally made it.
4. After a whole month’s hard work, I finally took a few days away and had some fun on the beach.
5. We shut the door and kept our voice low while the secret meeting was in a progress.