第1个回答 2010-12-05
应该用完成时
The boy has gone to school since he was 5 years old.
第2个回答 2010-12-05
The boy has gone to school since he was 5 years old.
第3个回答 2010-12-05
this boy is going to school at his age of five.
第4个回答 2010-12-05
This boy started school at the age of five.
第5个回答 2010-12-05
The boy five years will go to school。