Is it that you often play computer games ________ worries your parents?
We believe the time and hard work _______ in completing such an important project are worthwhile.
Anyone be in a rough life time, whether he is “Bai Fumei” or “Gao Fushuai.”
—Why not find a new job?—Why should I? I _____ as much, but I like what I'm doing.
Mom, don’t you think it's OK to play once in a while it doesn’t affect my studies?
The scientist spent years alone in the forest, ______ by eating wild fruit and small animals.