My grandpa is a science teacher and he _______ science.
I wanted to buy a storybook but there were______ left in that bookstore.
Tony lost his wallet.He didn’t talk to________all the afternoon.
If you have difficulty_______a decision,wearing red_______it easier for you to take action.
______green or_______in a light green room________good for us.
Your son is old enough to __________himself.