That was a ______ threat: she meant to annoy you.
| A．calculating | B．calculated | C．calculation | D．calculate |
-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 |
Everything __________ doing is worthy of __________ well.
| A．worthy; being done |
| B．worthy; doing |
| C．worth; being done |
| D．worth; doing |
It is __________ that she helped other left-behind classmates with their lessons after school.
| A．worthy of being praised |
| B．worth being praised |
| C．worth praised |
| D．worthy to praise |
The __________ teacher thinks it is __________ to devote so much time to his students.
| A．worth; worthwhile |
| B．worthwhile; worthy |
| C．worthy; worth |
| D．worthy; worthwhile |
Although it is __________ to
watch programs on TV sometimes, I think people shouldn't spend most of the time watching it.
| A．worthwhile |
| B．worth of |
| C．worth |
| D．worthy of |