13．________ I'm here to say is ________ having worked side by side with you，devoted teachers，is the happiest thing to me.
A．That；what B．What；that
C．What；/ D．That；that
答案 B [前者为what引导的主语从句；后者为that引导的表语从句。]
14．To fully understand the writer，we must read not only between the lines，but sometimes ________ the lines.
A．within B．beyond C．beside D．among
答案 B [read between the lines看出字里行间的意思，line意为“(诗或作品中的)字行”。beyond超越，超出。句意：为了完全了解作者，我们不但要看出作者字里行间的意思，而且有时要超越作品本身去理解。]
15．—How I wish everyone were kind and respected to their elders!
—________，there wouldn't be quarrels among the parents and their children.
A．When necessary B．If so
C．If possible D．So what
答案 B [if so为省略句，表示“如果这样的话”。]
