Having checked the doors were closed, and _______ all the lights were off, the boy opened the door to his bedroom.
My cousins have collected stamps for two years. They have ______ stamps from different countries.
-Where does your uncle work, Jack? -In a ________ in Paris. He is a policeman.
I like soft and gentle music. It _______ nice.
My sister is ________. She likes making friends with others.
Peter is my best friend. He often helps ______ with science.