____ in reading the novel , he knew nothing about what was going on about him.
I don’t think I need any money but I’ll bring some_____.
—When could you have a meal with me ?—I’d like to go whenever it is______ to you.
Scientists have many theories about how the universe_______into being.
Cindy shut the door heavily and burst into tears. No one in the office knew ______she was so angry.
We can never expect_______bluer sky unless we create_______less polluted world.