A. at

    B. in

    C. on

    D. to

    12. At the beginning of this term，our history professor ____ a list of books for us to read.

    A. passed on

    B. fished out

    C. handed in

    D. made out

    13. Don't ____ the camera ____ unless you are sure you can put it together.

    A. take… off

    B. work… out

    C. set… off

    D. take… apart

    14. At first I thought that math problem would be rather difficult，but it ____ to be fairly easy.

    A. turned out

    B. turned up

    C. turned on

    D. turned over

    15. ____ makes men different from the other animals is that they can think and speak.

    A. That

    B. The thing

    C. All

    D. What

    16. We've tested three hundred types of boot，          pletely waterproof.

    A. no of which

    B. none of which

    C. some of that

    D. neither of which

    17. She was sitting in an armchair ____ a book.

    A. reading

    B. to read

    C. to be reading

    D. to have read

    18. I would ask Gee to lend us the money if I ____ him.

    A. had known

    B. have known

    C. knew

    D. to have read

    19. I'm feeling sick. I ___ so much chocolate.

    A. needn't have eaten

    B. couldn't have eaten

    C. mustn't have eaten

    D. shouldn't have eaten

    20. While he was climbing the high mountain，he had his leg ____.

    A. broke

    B. break

    C. broken

    D. breaking

    参考答案：

    11—15 ADDAD 16—20 BAADC