.It was the four years from 2004-2007, ____ I spent studying for a master’s degree, ____ I will never forget.
. He _____ live in the country; but now he has _________in the city.
—Hi, Tommy, got a minute? —________, what's on your mind?
A number of questions __________at the meeting held yesterday.
—What are you going to do this afternoon? —I am going to the cinema with some friends. The film ____ quite early, so we ____ to the book-store after that.
He commanded that the student _____the classroom before he returned.A didn't leave B wouldn't leave C not leave D can’t leave