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、He hurried to the booking office only        that all the tickets had been sold out.

       A．to tell                                            B．to be told

       C．telling                                            D．told

22、Faced with a bill for $ 10,000,          .

       A．John has taken an extra job

       B．the boss has given John an extra job

       C．an extra job has been taken

       D．an extra job has been given to John

21、 

Only then         how much damage had been caused.

       A．she realized                                    B．she had realized

       C．had she realized                              D．did she realize

20、According to          World Health Organization ,health care plans are needed in all big cities to prevent          spread of AIDS.

       A．the ;不填                                       B．the; the

       C．a; a                                               D．不填；the

19、With no one to          in such a frightening situation ,she felt very helpless.

       A．turn to                                           B．turn on

       C．turn off                                         D．turn over

18、It is difficult to imagine his           the decision without any consideration.

       A．accept                                           B．accepting

       C．to accept                                       D．accepted

17、The construction of the two new railway lines          by now.

       A．has completed                                B．have completed

       C．have been completed                       D．has been completed

16、－I’m terribly sorry that I made your table cloth dirty.

－        .

       A．Never mind                                    B．Don’t mention it

       C．That’s right                                    D．Sorry