—Could I use your computer for a few moments, please?
— . I’m not using it myself.
A.Come on B.It depends C.Go ahead D.That’s great
—Have you ___________?
—No. I had the wrong number.
A.got in B.got away C.got off D.got through
Mary went to the box office at lunch time, but all the tickets ____out.
A.would sell B.had sold C.have sold D.was selling
You have failed two tests. You’d better start working harder, ____ you won’t pass the course.
A.and B.so C.but D.or
—Did you return Fred’s call?
—I didn’t need to ____ I’ll see him tomorrow.
A.though B.unless C.when D.because
Many children, ______ parents are away working in big cities,are taken good care of in the village.
A.their B.whose C.of them D.with whom