____ advertisements, TV programs are often made boring.
| A．Regularly interrupted by | B．Regularly interrupting |
| C．To regularly interrupt | D．To be regularly interrupted by |
________they decide which college to go to，students should research the admission procedures.
| A．As | B．While |
| C．Until | D．Once |
We should not________and laugh at those who have no homes to shelter from the rain and wind.Instead，we should be sympathetic of them.
| A．look forward to | B．think highly of |
| C．pay attention to | D．look down upon |
When you stand on the top of the mountain and overlook the surrounding scenery，you’ll find it is________to climb it up with effort.
| A．worth | B．worthy |
| C．possible | D．worthwhile |
Each time I________a good essay when reading newspapers，I cut it out and keep it.
| A．work out | B．come across |
| C．care about | D．put down |
To their disappointment，Dr Wang gave a speech about the economy without even a passing________to the problem of unemployment.
| A．connection | B．appointment |
| C．reference | D．exploration |