对呀.有the only 修饰时,只能用that 引导定从.例如:
she is the only girl that i ever loved.
但是同学请你留意,上面那个句子中的定从和主句之间是没有逗号的哦.如果有,万万不可使用that; 如果在定从前出现了介词,也万万不可使用that.例如:
English is the only subject,which i find the easiest among all subjects.
This is the only book in which i intereted most.
希望帮助了你的学习哦^-^