Lucy and Lili are sisters.They are all in Class four,Grade seven.改错务必在8月6日之前给我答案!

问题描述:

Lucy and Lili are sisters.They are all in Class four,Grade seven.改错
务必在8月6日之前给我答案!

两个人用both,不用all.Lucy and Lili are sisters.They are both in Class four,Grade seven.