Today APEC is playing a more important role in the world stage，______ purpose is to promote economic cooperation in the Asia-Pacific area．
| A．where | B．whose | C．when | D．Which |
30. She urges me ____ steps in the matter.
| A．take | B．taking | C．took | D．to take |
29. It is during the Second World War ____he died.
| A．when | B．after | C．before | D．That |
28. We desired that help ___here without delay.
| A．be sent | B．is sent | C．has been sent | D．was sent |
27. Helen had to shout ___above the sound of the music.
| A．making herself hear | B．to make herself hear |
| C．making herself heard | D．to make herself heard |
26.If you want to succeed ,you must work hard and ____you should be sure of success.
| A．after all | B．above all | C．in all | D．all in all |