He came to my class every week, but his attitude ______ he was not really interested in the subject.
I admired my classmate Lisa very much. ____ her prettiness, she was smart and helpful.
The employee must have been dismissed by the employer last month, ____ he?
____has been said before, it is not easy to learn a foreign language.
Tim Bemers-Lee is generally considered ____ the World Wide Web, on which all the information is shared by all.
Was it in this very room ____ he made up his mind ____ he should break away from his family?