at college ,students can (change their's mind )and declare anothermajor if they find out they don't like the one they have declared before. 请问我括号中填的是否正确,谢谢

问题描述:

at college ,students can (change their's mind )and declare another
major if they find out they don't like the one they have declared before. 请问我括号中填的是否正确,谢谢

应该是change their mind