As the busiest woman in Norton, she made_________her duty to look after all the other people’s affairs in that town.
| A．this |
| B．that |
| C．one |
| D．it |
Many new _____ will be opened up in the future for those with a university education.
| A．opportunities | B．realities | C．necessities | D．probabilities |
It isn't quite _____ that he will be present at the meeting.
| A．sure | B．right | C．exact | D．certain |
The child enjoyed _____ up the wooden bricks then knocking them down.
| A．adding | B．pushing | C．piling | D．forming |
The captain determined to be with the ship forever and never _____ to disappointment even when the ship sank.
| A．gave off | B．gave over | C．gave way | D．gave up |
At the age of twenty Steve left his hometown, _____ to return without making his mark.
| A．determining not | B．not determined | C．determined not | D．not determining |