Who's that at the door
问题描述:
Who's that at the door
________is john.
横线上的选择
1:It
2:Her
3:She
4:This
答
1 打电话和敲门时 人称都用it
Who's that at the door
________is john.
横线上的选择
1:It
2:Her
3:She
4:This
1 打电话和敲门时 人称都用it