Tom was about to close the window ______ his attention was caught by a bird.
| A．when | B．if | C．and | D．till |
He ________ a long pole in the center of the field, and on the top of it I hung the lamp.
| A．put up | B．put out | C．put on | D．put up with |
The scientists are now trying to discover what use could be ________ such material.
| A．made out | B．made up | C．made of | D．made from |
I ______ from the crowd an old friend of mine whom I hadn’t seen for ten years.
| A．figured out | B．picked out | C．gave out | D．went out |
The performance supposed to be popular _____ to be a great disappointment after it was over.
| A．turned up | B．turned down | C．turned out | D．turned over |
—What do you think of our plan?
—It will certainly ______; it is a great idea.
| A．turn into | B．pay back | C．pay for | D．pay off |