They ( ) not at home.They at school last Sunday.

问题描述:

They ( ) not at home.They at school last Sunday.
括号里应该填什么
要用be动词的正确形式来填空

were
解析:首先,这里是过去时态,故用was或were来填空
其次,they是复数,故要用are的过去式were来填空