If you want to get the most out of the study of a language, you must also read for pleasure: novels, plays, travel books, and so on. And in reading books of this kind the important thing is _ ; to try to grasp  what the writer is going to tell you in the book as a whole. This is impossible if you stop and think over the meaning of every single word which happens to be unfamiliar. You can not enjoy a story if you stop half a dozen times on every page in order to look up words in the dictionary. You may even prevent yourself from understanding the story as a whole by doing this. When you are reading books of this kind, therefore, you will usually have to depend mainly on the context   to help you. If you meet an unfamiliar word, do not let it take too much of your attention from the main idea of the story. In all probability you will meet the same word again a few pages later on in a slightly different context, and each time you see it that your understanding of it will become more exact. From the passage the best way to read novels, plays and travel books is  _  .
to read very slowly to read quickly and not too carefully to read very carefully to read very seriously