Rare species in the world, ______ by hundreds every year, must be jointly preserved by all countries, or humans will encounter ecological disaster in the near future.
| A．disappeared |
| B．disappearing |
| C．disappear |
| D．having disappeared |
- Mum, can I have another piece of bread?
- ______.
| A．Behave yourself |
| B．Help yourself |
| C．You got it |
| D．You are welcome |
On AIDS Day, the minister of Health Department demanded that the problems ______ pay special attention to.
| A．referred to being |
| B．referred to be |
| C．refer to being |
| D．refer to be |
He was an ______ poet at that time and his ______ poems spread through all the country
| A．inspired; inspired |
| B．inspiring; inspired |
| C．inspired; inspiring |
| D．inspiring; inspiring |
Bob is the only one of the students in our class that never ______ his homework on time.
| A．finish |
| B．finishes |
| C．finished |
| D．finishing |
I wouldn’t think it ______ to ask him to ______ the club – he’ll only refuse.
| A．worthwhile; join |
| B．worthwhile; join in |
| C．worth; join |
| D．worth; join in |