13. either ... or ... 或……或……， 不是……就是……， 要么……要么……
不是你，就是他是对的。
Either you or he is right.(v. 就近原则)
每个周末，我们要么去公园，要么待在家里。
We either go to a park or stay at home every weekend. (at/on weekends.)
要了解世界，人们既可以读报纸，也可以看电视。
People can either read newspapers or watch TV to get to know the world.
14. neither ... nor ... 既不……也不……， 两者都不……
我和他都没有读过这本书。
Neither he nor I have ever read this book.(v. 就近原则)
这个女孩已经十岁了，但她既不会读书，也不会写字。
The girl is already ten, but she can neither read nor write.
15. enjoy/finish/mind/keep/practise/go on doing sth.
享受做……之乐；做完某事；介意做某事；一直做某事；练习做某事；继续做……
我们应该经常练习讲英语。
We should often practice speaking English.
我奶奶一直坚持早晨锻炼身体已经有十年了。
My Grandma has kept doing exercise in the morning for ten years.