impressed / particularly /I was / a lecture / on internet advert

impressed / particularly /I was / a lecture / on internet advertising / by
【正确答案】：I was particularly impressed by a lecture on internet advertising.
【题目解析】：本句句意为一次关于网络广告的讲座给我留下了特别深刻的印象。 再结合be impressed by sth.（对…）钦佩，敬仰，有深刻的好印象。为固定搭配，所以答案如上。