— _______ you got to know my telephone number?— Through a friend of yours.
______ the Internet is of great help, I don’t think it is a good idea to spend too much time on it.
The first World Cities Day of the UN, _______on Oct.31, 2014 in Shanghai, focused on leading urban transformation.
—You should take exercise in your spare time. —I want to,but the little time I have outside of school isby part-time job.
The good thing about today’s children is that they can_____ very easily to new environments.
As a teacher, it is my _________ to make the students devoted to their study.