12．On the exhibition, he all his collecting stamps to the visitors all over the country. A. showed off B. speeded up C. brought in D. gave out A 考查動(dòng)詞短語(yǔ)的區(qū)別. show off 意為“賣弄,出示給某人看,展示 .符合題意,speed up“加速 ,bring in“帶進(jìn).賺的 ,give out“分發(fā).泄露 . 【查看更多】

 

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On the exhibition, he ________ all his collecting stamps to the visitors all over the country.

A. showed off             B. speeded up              C. brought in               D. gave out

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