Is hair dead or alive, and is it made from skin or from keratin?
A. It’s alive and made from skin.
B. It’s alive and made from keratin.
C. It’s dead and made from skin.
D. It’s dead and made from keratin.
Possessive AdjectivePresent Continuous TenseCannon x Canon
Next quiz: Grammar
You _________ open the door on an airplane when it is in the air
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