The problem___deciding how to get some financial support.
| A．lies in | B．results in | C．depends on | D．is based on |
—How long will you be staying?
—I don't know.______ .
| A．That's OK | B．Never mind |
| C．It depends | D．It doesn't matter |
The ______ on his face told me that he was angry.
| A．impression | B．sight | C．appearance | D．expression |
_____ 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 |