---May I smoke here?
---If you _______, choose a seat in the smoking section.
| A．should | B．could | C．may | D．must |
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 |
. Short skirts ______a few years ago, but they have come back again.
| A．went out | B．came out | C．gave out | D．let out |
.-–It’s almost eight, but Tom hasn’t turned up. He may not be here.
-–He will. He never _____on his words.
| A．goes back | B．comes back | C．gives back | D．gets back |