In that traffic accident last night the man who hit five people in a row had drunk so much that he could no longer_______ between fantasy and reality.
The growing speed of a plant is influenced by a number of factors,________ are beyond our control.
________of the people on the Net ________China's economy is among the strongest in the world.
Who will be ___________ the company when the manager (经理) is out?
—As a student, we should study hard. — Yes, ______ we study, ________ results we’ll get.
Mr. Black has been teaching English in a middle school _____ he came to China.