You will sooner or later if you keep working like that.
| A．break off | B．break down | C．break into | D．break out |
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 |
-__________ for you?
-How about next Friday?
| A．When do you think it is convenient |
| B．Do you think when it is convenient |
| C．When do you think is it convenient |
| D．Do you think when is it convenient |
He is one of my students and always come to see me whenever __________.
| A．he is convenient |
| B．he will be convenient |
| C．it is convenient to him |
| D．it will be convenient to him |