23、 I _________ you, but I didn’t think you would listen to me.

   A. could have told           B. must have told

   C. should tell                  D. might tell

22、 If you live in the country or have ever visited there, _________ are that you have heard birds singing to welcome the new day.

   A. situations            B. facts          C. chances            D. possibilities

21、I ______ for three hours when I suddenly became sick.

   A. had been working                     B. would work

   C. have worked                            D. am working

20、The Pacific region(地区) will be one of the fastest growing areas in the world in the 21st century. _________ shouldn’t be any doubt about it now.

    A. It        B. That           C. This           D. There

19、---What can I offer you? Coffee, tea, orange juice, iced water…?

   ---________.

   A. Yes, please. Thank you.                    B. I don’t care. Whatever.

   C. Go ahead. None of my business        D. Don’t worry. Too much trouble.

18、_______ twice a year, whether it is a car or bus or a truck, is the rule that every driver must obey in this city.

     A. Examining                                B. Examined         

C. Being examined                         D. Having been examined

17、The government has taken some measures to solve the shortage of electricity, but it may be some time __________ the situation improves.

   A. since           B. when         C. unless        D. before

16、 ________ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.

   A. That            B. What          C. In spite of what        D. Though what

15、---Hey, Kate . Happy New Year! ______________?

   ---OK, I guess. My grandma kept cooking and cooking, so I just kept eating.

   A. How was your break                 B. How is your grandma

   C. Where did you go for holiday     D. What did you do in your holiday

14、Jane tried to keep up a calm appearance, but her trembling voice ________.

   A. gave her in          B. gave her out              C. gave her away          D. gave her up