The building around the corner caught fire last night．The police are now _______ the matter．
| A．getting through | B．working out | C．looking into | D．watching over |
At discussion, Jack ____ an idea that they should bring down the price of the bicycles.
| A．came about | B．came up |
| C．came out | D．came up with |
With a lot of modern office equipment, today’s schools are quite different from ____ of the past.
| A．that | B．those | C．one | D．ones |
I really don’t know _________ I had my money stolen.
| A．when was it that | B．that it was when |
| C．where it was that | D．it was where that |
You will fall in love with that city _____ you learn about it.
| A．since | B．while |
C．before | D．once |
Many websites have been _______ to help people study foreign languages.
| A．set off | B．set up |
C．set down | D．set out |