下面每句都有一个标点符号错误，该用标点处未用标点或标点符号用错，改正错误或补写标点。
1.I don't know how to answer that question?
2.Don't forget to cross your ts.
3.Ouch I think I've broken my toe.
4.It was James' father not her mother,who visited her recently.
5.It is a dependable fool proof method.
6.Our company produces many fine products it has,in fact,a reputation for quality merchandise.
7.In the first quarter prices rose 5 per cent;in the second quarter,3 per cent and in the third 7 per-cent.
8.Frank Stanley,III will replace his grandfather,Frank Stanley,Sr.,as president of the company.
9.Stallions yield the highest prices;but mares can also be extremely expensive.
10.Help,Help!Someone has fallen into the river.
1.question?→question.
2.ts→t’s
3.Ouch→Ouch!
4.father→father,
5.dependable→dependable,
6.products→products;
7.third→third,
8.Stanley,III→Stanley III
9.prices;→prices,
10.Help,→Help!
下面每句都有一个标点符号错误，该用标点处未用标点或标点符号用错，改正错误或补写标点。
1.I don't know how to answer that question?
2.Don't forget to cross your ts.
3.Ouch I think I've broken my toe.
4.It was James' father not her mother,who visited her recently.
5.It is a dependable fool proof method.
6.Our company produces many fine products it has,in fact,a reputation for quality merchandise.
7.In the first quarter prices rose 5 per cent;in the second quarter,3 per cent and in the third 7 per-cent.
8.Frank Stanley,III will replace his grandfather,Frank Stanley,Sr.,as president of the company.
9.Stallions yield the highest prices;but mares can also be extremely expensive.
10.Help,Help!Someone has fallen into the river.
公文标题一般（ ）使用标点符号。
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