Making a proper choice ______ the future will probably make much difference in our life.
| A．concerning | B．to concern | C．concerned | D．having concerned |
We tried to __________ our point that drugs are more than physically harmful, but he just wouldn't listen.
| A．get across |
| B．get ahead |
| C．get around |
| D．get over |
-Would you permit me __________ here?
-Sorry. We don't permit __________ here in the reading room.
| A．to smoke; smoking |
| B．to smoke; to smoke |
| C．smoking; to smoke |
| D．smoking; smoking |
Although students are __________ to more, they typically know less and are less mature than the generations before.
| A．displayed |
| B．released |
| C．explored |
| D．exposed |
Blind people can __________ by touching letters in __________ dots called Braille.
| A．see books; rising |
| B．read book; raised |
| C．look at books; risen |
| D．read; raised |
-That's the third time he's won the award in this field.
-Yes. He __________ his maximum potential in the past decade.
| A．explored |
| B．is exploring |
| C．has been exploring |
| D．has explored |