Are they Ann's girl friends 改为单数
问题描述:
Are they Ann's girl friends 改为单数
答
Is shi Ann's girl friend? are改为单数is,they改为单数she因为是girl friends改为单数friend
答
Is she Ann's girl friend?
答
Is she Ann's girl friend?
分析:are改为单数is,they改为单数she,girl friends改为单数girl friend
答
is she ann's girlfriend