-You only need to provide the evidences to prove your status since your last/latest entry to US. For example, if you visited China on August 1, 2018 and returned to US on August 30, 2018, then you only need to provide the evidence since August 30, 2018 until the date you file I-485.
按说我和我的家人应该都适用245(k), 其实以前这些签证等等无关紧要啊。是都附上还是不附上好呢?请赐教!新手上路,先谢谢了!