Unit 2.7 usually introduces:
Here is a useful article-style breakdown of what Unit 2.7 covers, how to find the correct answers, and why the "best" answers depend on your specific goals. signing naturally 27 answers best
Some workbooks include a "Write the Number" section on pages 73–74: Related Lessons (2.5 & 2.6) Unit 2
What is the relationship between the two characters? how to find the correct answers
If an online answer key says the answer is "Happy," but the video clearly shows a negative headshake, the key is wrong. Trust your eyes and the non-manual markers (facial expressions) over a downloaded text key.
If you are studying Signing Naturally , your goal is likely communication, not just a grade.