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、―Shall we go out for dinner tonight?

―______.

A. You are right              B. It must be funny     
C. That sounds great       D. Have a nice time

19、Why are you so anxious? It isn’t your problem ______.

A. on purpose       B. in all      C. on time      D. after all

18、Running a company is not ______ a matter of hiring people ― they also need to be trained.

A. simply              B. partly              C. seriously             D. equally

17、Everything was perfect for the picnic ______ the weather.

A. in place of      B. as well as      C. except for      D. in case of

16、Don’t promise anything ______ you are one hundred percent sure.

A. whether          B. after         C. how           D. unless

15、Dogs have a very good ______ of smell and are often used to search for survivors in an earthquake.

A. sense                       B. view                        C. means                            D. idea

14、American Indian ______ about five percent of the U.S. population.

A. fill up       B. bring up      C. make up       D. set up