1 . 请你修改以下的每个句子，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（∧），并在此符号下面写出该加的词。
修改：在错的词下面划一横线，并在横线下面写出修改后的词。
注意：每处错误及其修改仅限一词。
1. It is me who am going to help her.
2. He thinks more of others than of oneself.
3. We had better ask the president himself about it.
4. That is exactly all what I want to tell you.
5. What she said is the same as us.
6. The weather in summer in Beijing is hotter than it in Guangzhou.
7. He runs faster than anyone in our class.
8. I don’t think that possible to master a foreign language in a short time.
9. Each of them knew about the plan because it was kept a secret.
10. He paid the boy $10 for washing ten windows, most of those hadn’t been cleaned for at least a year.

2 . —Would you like to go shopping with me on Saturday or Sunday? （用适当的词填空）
—I'm sorry.________will suit me.I'll be away on business during that period. （用适当的词填空）