找错误并改正:The students in Canada usually go to middle school at the age of 13 and 14.
问题描述:
找错误并改正:
The students in Canada usually go to middle school at the age of 13 and 14.
答
and→or
答
The students at their age of 13 to 14 usually go to middle school in Canada.
答
The students in Canada usually go to middle school at the age of 13 or 14.