----You seem to have known Dr Smith for a long time.---- That’s true. ______ he
题型：不详难度：来源：
----You seem to have known Dr Smith for a long time.
---- That’s true. ______ he joined our club six years ago.| A．Since | B．Until | C．When | D．Before |
|
答案
| A |
解析
| 介词辨析. A.自从…… B.直到，常和not一起连用；C.当……时候 D. 在……之前。根据题意，你好像认识史密斯博士好久了。——这是真的。自从他六年前加入我们俱乐部以来就认识。故选A。 |
举一反三
—I like your new leather boots!
—Thanks．I had to try on almost a dozen pairs ______ I decided to get them．| A．as | B．when | C．after | D．before |
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____ he was not rich enough to buy whatever he wanted, Edison decided to make his new laboratory the best.| A．Although | B．Since | C．When | D．As |
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As the visiting prime minister puts, China’s influence in the world will continue to strengthen ______ its economy grows. | A．although | B．until | C．as | D．before |
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______ has recently been done to improve the conditions of elementary schools, a great number of children are unable to go to school.| A．That | B．What | C．In spite of what | D．Though what |
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| ____ red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened. |
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