As we all know，__________ Siberian tiger is __________ endangered species.
| A．/；an |
| B．the; the |
| C．a; / |
| D．the; an |
The captain as well as his team interviewed shortly after they won the gold medal．
| A．are | B．was | C．is | D．were |
32．The boy, with his school work every day, felt rather tired and uncomfortable．
| A．occupied | B．occupying |
| C．to occupy | D．being occupied |
31．Tired of her endless complaints, I walked out of the room she could open her mouth．
| A．before | B．until | C．when | D．once |
-Do I have to bring my camera tomorrow afternoon?
-I think so．We the Botanical Garden then.
| A．are visiting | B．will be visiting |
| C．have visited | D．visit |
Every morning Jack's wife will stand before the mirror, herself before leaving home．
| A．admired | B．being admired |
| C．to admire | D．admiring; |