He knew that cholera would never be controlled _____ its cause was found.A．tillB
题型：不详难度：来源：
He knew that cholera would never be controlled _____ its cause was found.| A．till | B．still | C．until | D．kill |
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答案
| C |
解析
| 考查：not/never …until,直到……才， 句意：他知道霍乱将永远不会被控制，直到它的起因被找到。故选C。 |
举一反三
Northern Ireland, England and Scotland have different educational and legal systems _____ different football teams for competitions like the World Cup!| A．as if | B．as to | C．as well as | D．as for |
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____ ，but he still could not understand it. | A．Told many times | B．Having been told many times | | C．He had been told many times | D．Though he had been told many times |
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After the wedding ceremony, all the guests attended a reception, _______ lasted through the night.| A．that | B．when | C．where | D．which |
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--- Why didn’t you tell him about the meeting?
--- He rushed out of the room ________ I could say a word.| A．when | B．until | C．before | D．after |
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| Use your head, ________ you’ll work out the problem. |
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