32．World leaders at the G20 summit conference in London decided to_______$1．1trillion（万亿） to supporting world economic growth and trade．

       A．collect       B．spend               C．devote       D．pay    

22.  In order to  _______ the heart of his former sweetheart, the young man gave up smoking and alcohol, worked extra hard but all his effort ______ waste.

     A. win back; went to   B. get back; came to  C. bring back; began to  D. take back; left to

2.   _______ of their ancestors who made their living by hunting, the grown-ups ______up as hunters and the children as different animals.

A. In honor; put   B. In memory; dressed    C. In honor; were dressed  D. In memory; wore

19. Johnson ______ for 5 years for political reasons when he was young.

  A. was put in prison   B. was in the prison  C. out in prison   D. was in prison

25．—Why not open the windows to let_____cool air in?

    —I'd rather you didn't_____air in our town is terribly polluted．

     A．a；The                       B／；The                  C．/；/          D．the：/

28．The film is very humorous but_________can be enjoyed unless you understand English culture.

       A．everything       B．something C．nothing     D．Anything

The report shows that we’re making some progress but ______ we need to make greater efforts.

       A. that                B. whether        C. what           D. why

The boy wanted the sailboat so _____ that he begged his mother to buy it for him.

A. bad             B. great             C. badly            D. greatly

_____ as a candidate for the post of school principal, one must have at least ten years of teaching experience.

A. Considered        B. To be considered

C. Having considered            D. Considering

We must set about _____ our lesson for the mid-term examination.

A. reviewing     B. reviewed      C. to review    D. to reviewing