-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 |
The doctor thought ________ would be good for you to have a holiday.
| A．this | B．that |
| C．one | D．it |
Why don't you bring ______to his attention that you're too ill to work on?
| A．that | B．it |
| C．this | D．him |
No matter where he is, he makes ________ a rule to go for a walk before breakfast.
| A．him | B．this |
| C．that | D．it |
Sarah made ________ to the airport just in time to catch her plane this morning.
| A．herself | B．this |
| C．that | D．it |
This project requires close teamwork. ________ will be achieved unless we work well together.
| A．Nothing | B．Anything |
| C．Something | D．Everything |