Can you explain ____ most deserts are located near the west coast of the continents?
| A．why is it that | B．why it is that |
| C．how it is that | D．how is it that |
Fans still __________ Michael Jordan though he doesn't fight for the Chicago Bulls any more.
| A．look down on | B．look up |
| C．look up to | D．look on as |
The cost of the trip to Hong Kong __________ no more than 1000 yuan.
| A．added to | B．added up |
| C．added up to | D．added |
-How many concerts __________ up to now?
-About 25. Last night we __________ our biggest one.
| A．did you play; have had | B．have you played; had |
| C．had you played; have had | D．do you play; have had |
When trying to find a （an）__________ in our school, you should have at least one year's teaching experience.
| A．location | B．position |
| C．occupation | D．profession |
Many a woman __________ important positions in society, which __________ impossible in the past
| A．holds; was | B．hold; were |
| C．held; was | D．holding; were |