It was decided to _____ the search when there was no hope of finding the missing girl alive.
| A．call off | B．take up | C．keep off | D．ring up |
This is ______ difficult problem that few students can work it out.
| A．so | B．so a | C．such | D．such a |
A notice was ________ in order to remind the students of the changed lecture time.
| A．sent up | B．given up |
| C．set up | D．put up |
This is not a match. We’re playing chess just for ______.
| A．habit | B．hobby | C．fun | D．game |
They made the longest sofa in the world. It is ten times ______ the ordinary ones.
| A．the length of | B． so long as |
| C．much longer than | D．as length as |
He is looking forward to ______ what is happening over there.
| A．see | B．seeing | C．seen | D．saw |