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 |
We'll go on fighting to the end. We'll never .
| A．give out | B．give away | C．give off | D．give in |
— What Jack wore that day was very strange.
— Yes. I didn't him until he called my name.
| A．realize | B．recognize | C．know | D．believe |
Tim’s performance was __wonderful than Peter’s in the play. The audience thought little of both.
| A．not more | B．no more | C．much more | D．not much |
–I’m going to travel to America. Would you consider telling me about your experiences there?
---____. Let’s discuss it over dinner.
| A．That’s all right. | B．By all means. |
| C．Go ahead. | D．It just depends. |
–Why, Jack, you look so tired!
--Well, I ___the house and I must finish the work tomorrow.
| A．was painting | B．will be painting |
| C．have painted | D．have been painting |