The scientist said videophone could be used ___ the conferences.
--- I am sure you will be happy here once you get to know everyone. --- ______.
To be honest, I didn’t______ him at first sight. About an hour later, I remembered him.
______, Tom made a large sum of money last year by running a company.
Our English teacher ______ teaching, so he wants to change his work.
-- Do you know______ famous novelist, Mr. Wang in your school?--- I do know______ Mr. Wang in our school, but not that one.