25、This is a very interesting book. I’ll buy it,         .

       A．how much may it cost                    B．no matter how it may cost

       C．however much it may cost              D．how may it cost

24、

As you worked late yesterday, you         have come this morning.

       A．mayn’t                B．can’t              C．mustn’t                  D．needn’t

23、Mary,           here everybody else, stay where you are.

       A．come                  B．comes                 C．to come              D．coming

22、I wonder if I could possibly use your car for tonight?

            . I’m not using it anyhow.

       A．Sure, go ahead                                    B．I don’t know

       C．Yes, indeed                                         D．I don’t care

21、Please remind me         he said he was going. I may be in time to see him off.

       A．where                 B．when                  C．how                    D．what

20、          and happy, Tony stood up and accepted the prize.

       A．Surprising                                           B．Surprised

       C．Being surprised                                    D．To be surprising

19、Eliza remembers everything exactly as if it        yesterday.

       A．was happening                                    B．happens

       C．has happened                                      D．happened

18、Hello, could I speak to Mr. Smith?

 Sorry, wrong number. There isn’t        Mr. Smith here.

       A．不填                   B．a                         C．the                      D．one

17、The water        cool when I jumped into the pool for morning exercise.

       A．was felt               B．is felt                  C．felt                     D．feels

16、         he has limited technical knowledge, the old worker has a lot of experience.

       A．Since                  B．Unless                 C．As                      D．Although