--______ is your father? Does he still work as an engineer? --Yes, he has been an engineer for thirty years.
With ________ look of disappointment, he left the Student Union office. Without ________ knowledge of photographing, he missed the chance to be an editor of Babel.
—Do you know Jack quarreled with Tom? —I don't know, .
She thought I was talking about her daughter, __________,in fact, I was talking about my daughter.
The number of the people who speak English large, and a large number of people native speakers.
The student told me that he _______ the exam _______.