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23、All the people on earth should ______ the right to live in a peaceful environment.

      A. support                     B. defend                      C. overcome            D. upset

22、―Why was he unhappy yesterday?

―A letter from home ______ an attack of homesickness.

      A. set off                       B. set out                       C. set about             D. set up

21、 ―How are you getting along with your new job and your classmates?

― ______.

      A. I can’t tell you                                               B. So far, so good

      C. I’m glad you asked me about it                        D. I’m not getting along with Jane

20、The light will be thrown ______ the cause of cancer by research that is now in progress.

      A. to                             B. upon                         C. in                       D. for

19、 Would you like to join us in the game?

_____, for I have something important to attend to.

A. I will       B. I’d love to      C. I won’t     D. I’m afraid not

18、You have no idea how she finished the relay race ____ her foot wounded so much.

A. for                        B. when                          C. with                               D. while

17、 Can those ____ at the back of the classroom hear me?

No problem.

A. seat          B. sit         C. seated         D. sat

16、What’s the _____ of having a public open space where you can’t eat, drink or even simply hang out for a while?

A. sense                           B. matter                                C. case                                    D. opinion

15、By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ____ appeared a rare rainbow soon.

A. of which                     B. on which                      C. from which                           D. above which

14、 Who should be responsible for the accident?

The boss, not the workers. They just carried out the order _____.

A. as told      B. as are told      C. as telling      D. as they told