23. --- Where ____ the recorder? I can’t see it anywhere.--- I ____ it right he
题型：不详难度：来源：
23. --- Where ____ the recorder? I can’t see it anywhere.
--- I ____ it right here. But now it’s gone.
did you put; have set up B. have you put; put
C. had you put; was putting D. were you putting; have put |
答案
| B |
解析
| 略 |
举一反三
Although many measures ______,the world’s economy is still going down.| A．were taken | B．have been taken | C．will be taken | D．are taken |
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23．Prices of houses_______sharply in the past decade.| A．rise | B．are rising | C．have risen | D．Rose |
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105. The waters of this great lake, which is also the world"s deepest, have been ____ by waste from a chemical factory.| A．cleaned | B．cleared | C．dirtied | D．Thrown |
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108. Dr. Manette had been mentally ____ by his long years alone in prison and his hair had turned white.| A．disturbed | B．troubled | C．worried | D．Damaged |
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139. After such a storm I’m surprised that the river __________.| A．hasn’t flooded | B．hasn’t been flooded | C．wasn’t flooded | D．hadn’t been flooded |
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