Though great progress has been made in astronomy in the past fifty years, ______
题型：同步题难度：来源：
Though great progress has been made in astronomy in the past fifty years, ______ still much that
remains mysterious to astronomers _______ the universe, even the solar system. |
| [ ] |
A. It is; of
B. there is; about
C. It is; with
D. there is; with |
答案
| B |
举一反三
On the Internet, ______ varieties of entertainments _____ which you can entertain yourself both
at work and at rest. |
| [ ] |
A. it has; with
B. there are; with
C. it has; to
D. there are; on |
| Since we haven"t got enough money available, _____ about sightseeing in that country. |
| [ ] |
A. it is no need talking
B. it is no need to talk
C. there is no need talking
D. there is no need to talk |
| ____ is no doubt that Premier Wen Jiabao’s US visit helped develop China-Us economy. |
| [ ] |
A. It
B. There
C. This
D. That |
______seems to be no possibility that the student majoring in liberal-arts can win the first prize in
the100-meter race. |
| [ ] |
A. What
B. There
C. That
D. Whether |
| ______ is a possibility that we shall not be able to afford the particular ______ we need. |
| [ ] |
A. It; furniture
B. There; furniture
C. There; furniture
D. It; furnitures |
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