criticize secret flatter cost spendundertake understand lesson vocabularyfollowmemorize forget context burdenLi Hong: Hey, Zhu Li. I was impressed by your performance in class. How come your English's so good? What’s the 1) ________?Zhu Li: You 2) ________ me. I just love English and I work hard.Li Hong: I work hard, too. Why, I 3) ________ two hours on preview for each lesson!Zhu Li: That’s not much, if you ask me. I spend five and still have lots of things I don’t quite 4) ________.Li Hong: How come you have such a large 5) ________?Zhu Li: I’ve done quite a bit of reading outside class. Our teacher suggests we should read at least 50 to 100 books in the first two years, and I intend to 6) ________ her advice. Through reading, you increase your vocabulary naturally.Li Hong: Do you think it a good idea to 7) ________ a dictionary? Some people have done it.Zhu Li: I admire their spirit, but if I were you I wouldn’t do that. I think it's much better to learn words in their meaningful 8) ________.