Put in each other or one another
1)They didn't understand ... .
2)We'd like to talk to ... . Could you wait for us a few minutes?
3)The twins usually live with ... and help ... .
4)Why are you looking at ... . Would you like to tell me anything?
5)In a team people have to support ... .
6)Do you write letter to ... ?
7)Language helps us to communicate with ... .