Companion Worksheet (direct download link) - http://bit.ly/2jXhfQS
Liz needs to borrow Serena's book to finish her work. When Serena gives it to her, Liz takes it and walks away without saying anything. Liz is happy that Serena lent her the book, but she didn't show Serena how she felt because she didn't say thank you. Serena gets upset because she didn't HAVE to lend Liz her book. Liz tries again and thanks Serena, and everyone feels happy.