21. The sales manager was asked           he should recommend to be the organizer of the   next promotion plans.
    A. what            B. Whom               C. how              D. when
22. Thanks for your interesting ideas, but we need           suggestions to get us out of the  mess.
    A.impressive         B. Similar           C. Practical         D. traditional
23. He found another evidence,           of great importance to the case.
    A. Which I think is  B.which I think it is   C.which I think it     D. I think which is
24. The engineer is reported           the longestbridge of the country.
    A. Having designed   B. Have designed     C. To have designed   D.to design
25. I failed the games;I           it to be so difficult.
    A. wouldn't expect B. haven't expected    C. hadn't expected    D. wasn't expecting