______ there is going to be a policy change _____ of those things is going to change.
| A．Unless; few | B．Until; few | C．Unless; none | D．Until; none |
_____ we stood at the top of the building，we were able to enjoy the town below clearly.
| A．As | B．Although | C．Unless | D．Until |
After he ______ the table，he sat down on the sofa for a rest，waiting for his guests.
| A．lay | B．laid | C．put | D．made |
The socks are so ______ that they can't be mended any more.
| A．used up | B．worn out | C．tired out | D．broken out |
If you meet ______ problems，please turn ______ me.
| A．with；to | B．down；up | C．with；up | D．across；to |
Tom as well as two of his friends ______ to the concert last night.
| A．has been invited | B．had been invited | C．were invited | D．was invited |