5、8.Hefoundapieceofpaper__________inthewallet.(折叠)19.Hisspeech______ ____________________________(留下了深刻的印象)ontheaudience.20.We tried to find a table for seven, but they were all_________________( 占了).21.Theblindman______(引路)byadoglivesinthenextdoor.22.Dueto___________________(缺乏经验),hefai