31. -----Do you have a minute? I’ve got something to tell you.
-----Ok, ______ you make it short.
| A．now that | B．if only | C．so long as | D．every time |
They became friends again that day. Until then, they ______ to each other for nearly two years.
| A．didn’t speak | B．hadn’t spoken | C．haven’t spoken | D．haven’t been speaking |
There are emergency exits in both towers of the hotel, ______ on the other side opposite the elevators.
| A．on which arc located | B．where is located |
| C．which locate | D．which are located |
The hospital nearby has just got a, _______ you’d call it, er... a scanner. 
| A．that | B．which | C．how | D．what |
Of the seven days in a week, Saturday is said to be the most popular ______ for a wedding in some countries.
| A．way | B．situation | C．event | D．choice |
. If you think that the illness might be serious, you should not ______ going to the doctor.
| A．put off | B．set about | C．hold back | D．give away |