Wang Pin is an advanced worker in our company. He _______ for four years in Yangzhou University.
I haven't seen you for a couple of days. What have you been up________?
James took the magazines off the little table to make ________for the television.
It is generally believed that teaching is ________it is a science.
This dictionary is ________to my translation,but that one is________.
________the police thought he was the most likely one,since they hadno exact proof about it,they could not arrest him.