who does she think are waiting for mothermother 还加S或在mother前加a吗
问题描述：
who does she think are waiting for mother
mother 还加S或在mother前加a吗
答
她认为谁在等妈妈
答
意思是“她认为谁在等妈妈?”吗?
如果是 不用加S
也不用在mother前加a,否则就变成在等“一个妈妈”,而没有特指是这个妈妈.