Not until all the fish died in the river, _______ how serious the pollution is.
题型：山西省月考题难度：来源：
| Not until all the fish died in the river, _______ how serious the pollution is. |
| [ ] |
A. did the villagers realize
B. the villagers realize
C. the villagers did realize
D. didn"t the villagers realize |
答案
| A |
举一反三
_______ that they may eventually reduce the amount of labour needed on construction
sites by 90 percent. |
| [ ] |
A. Such construction robots are clever
B. So clever the construction robots are
C. So clever are the construction robots
D. Such clever construction robots are |
| _____ that Marie was able to set up new branches elsewhere. |
| [ ] |
A. So successful her business was
B. So successful was her business
C. So her business was successful
D. So was her successful business |
| Only after they had discussed the matter for a few hours _______a decision. |
| [ ] |
A. they reached
B. did they reach
C. they reach
D. do they reach |
| Not until the early years of the 19th century ________ what heat was. |
| [ ] |
A. man did know
B. did man knew
C. didn"t man know
D. did man know |
| ______ a man knows what is not to be done, will he succeed in doing what is to be done. |
| [ ] |
A. What if
B. If only
C. As if
D. Only if |
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