摘要：1688] After Mary gave a report about the school, she the guests around it. [译文] 做了关于学校情况的报告后.她又带着客人参观学校. A. went on showing B. went on with showing C. went on to show D. keep on showing [答案及简析] C. go on to do sth. 接着干另一件事,go on doing sth.接着原来的事干.

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