32. Nobody can learn English well            you work hard on it.
A. if        B. unless        C. when        D. but
33. All of the following are school rules except " _____".
A. No smoking            B. Don\'t fight
C. Slower than 80 km         .    D. Save water
34. Many students enjoy the book Harry Potter       ._____ by JK Rowling.
A. written        B. was written            C. wrote       D. was writing
35. Please look over your paper carefully to________ there are no mistakes.
A. find out       B. think of        C. make sure          D. try out

成所给句子的最佳答案。  

A
A little old couple walked slowly into McDonald\'s one cold winter evening. They took a table near the back wall, and then the little old man walked to the cash register( 收银台 ) to order. After a short