1 The Byzantine which archaeologists have discovered is in quite good shape although some of the small squares of marble are missing. a kiln b collage C mural d mosaic 2 Mark has been chosen as the for the show, which means he'll only take part if the lead is unable to perform. a composer b alternative c understudy d stuntman 3 Her performance was so 4 of my seat throughout the play. a riveting c audible - that I was on the edge b contemporary d catchy Now in, children, Say, 'Good Morning, Headmaster!' a character c memory b tune d unison