I'll go to the library as soon as I finish what I
Using bicycles ______ greatly to people’s physical fitness as well as easing traffic jams.
I stopped and said hello to her when I saw her but she _____ me completely and walked on.
It has been proved _______ violence on television has a bad effect on children.
Mr Smith suggested the problem worth paying attention to ________ at the meeting.
As you know, there are a few formalities to be _____ before you enter a foreign country.