These English books are mine为什么要用mine不用me

These English books are mine为什么要用mine不用me but,these books are not mine . these books ____to him they are mine The pen is mine.These books are mine ,too.用as well as合并成一句话. These books are mine and( )(these/those)book 用所给单词的适当形式填空：Are those books mine (I)?为什么填mine a friend of mine comes from... 为什么用mine 不用me These books are (mine).(对括号内提问） These books are mine.的的一般疑问句 He said,“These books are mine.”变成直接引语 both of these books are mine.(改成相反意思) ( )of these English-Chinese dictionaries are not mine.