Sometimes I feel ________ between meals, so I eat something.
—Why do you speak in ___ a loud voice? —Because I want to make myself ___ clearly.
—TV and computer are so popular these days.—Yes, they can______ our eyes to the outside world.
______ to improve our environment?
Did your father tell you ______?
“Great achievements can be done in _______ with nature, ” Schworer said.