1 . The old firmly hold the belief that keeping pets is an enjoyable way to keep ___________ (they) company. （所给词的适当形式填空）

3 . 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. Their school is large than ours, but our school is more beautiful.
2. I got good grades in the finally exams last year.
3. Mine first name is Tom and my last name is Black.
4. How about meet at the school gate at 7 this evening?
5. You need to finish your homework careful before you go to bed.
6. This is the pen which I buy with my parents yesterday.
7. Mary, as well as her parents are going to Beijing.
8. My mom is so a great woman and she loves me very much.
9. Tom thought for a while and then came up with a idea.
10. As we know, the harder you study, a fewer mistakes you’ll make.