英语翻译IQ:1.what king of dog doesn't bite or bark?2.what letter

1.a dead dog (死狗)
2.O (因为字母O 就象一个圆脸,只有人头的一部分,而没有耳朵,头发等.)
3.掌上明珠(是一个成语)
翻译1.I leave primary school when I was ten and finished my middle school at the age of thirteen.
2.Her mother bought her two bags.
3.There are two people to have something fun ,one is going to the summer camp,the other is going to
Beijing.
希望能对你有所帮助