It begins with a capital letter and ends with either a full stop ., question mark ? or exclamation mark !

每句第一个字母必须大写，每完一句要有句号、问号或感叹号。

youdao

It begins with a capital letter and ends with either a full stop ., question mark ? or exclamation mark !

每句第一个字母必须大写，每完一句要有句号、问号或感叹号。

youdao