Dina,for months to find a job as a waitress, finally took a position at a local advertising agency.
| A． | struggling | B． | struggled | C． | having struggled | D． | to struggle |
Two lawyers have donated $50,000 to ________ our school's campaign "Help the Needy", whichwas started by our former headmaster three years ago.
| A．sponsor |
| B．launch |
| C．organize |
| D．plan |
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
| A．being carried out |
| B．carrying out |
| C．carried out |
| D．to carry out |
This coastal area a national wildlife reserve last year.
| A．was named |
| B．named |
| C．is named |
| D．names |
The boy disappeared in the village five years ago and he ever since.
| A．was not heard of |
| B．is not heard of |
| C．hasn’t been heard of |
| D．hadn’t been heard of |
We've had a good start, but next, more work needs ________ to achieve the final success.
| A．being done |
| B．do |
| C．to be done |
| D．to do |