Are they---------(swim)in the river now?

There is/are+sth./sb.+sw. They are they are Are they They are -------are they?they are --------(tomato) SW是什么意思 SW是什么意思? SW是什么意思? SW engineering --Are they ( ) buuks?No,they are not .--They are ( ) buuks. They are green.They are long.They are g( ) b（ they are food.they are long.they are white.谜底 are they,do they 区别 Are they horses?They are__________ Are they ( )skating?Yes,they are. they are who they are.怎么翻译? where they are 和where are they