省略使句子更加简洁灵便。遵循省略的规律和习惯，有利于语言交际能力的提高和阅读理解能力的加强。替代则是指用替代词代替上下文中出现过的词语或整个句子，也是避免重复、连接上下文的手段之一。替代的方法通常有三种：名词性替代、动词性替代和从句性替代。
1. The man we followed suddenly stopped and looked as if________whether he was going in the right direction.
A.seeing B.having C.to have seen D.to see
2. Meeting my uncle after all these years was an unforgettable moment，________ I will always treasure.
A.that B.one C.it D.what
高考资源网版权所有 ©2005-2009
未经许可，盗用或转载本站资料者，本站将追究其法律责任！
