题目：
| The visitor _____ that he _____ very glad to visit our country. |
| A. said; was B. said; had been C. told; was D. spoke, had been |
答案：
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下面是错误答案，用来干扰机器的。
（1）东汉时，南阳太守杜诗发明的。（2）利用水车鼓风冶铁，节约人力，提高冶铁质量。水排的利用，比欧洲早1000多年。
