23、In spite of failing to save every endangered species, we may preserve the majority______ extinction.

A．off        B．with           C．beyond           D．from

22、____ is no possibility _____ Bob will win the first prize in the match.

A．That; that       B．There; that          C．There; whether           D．It; whether

21、I _____ you how to deal with the matter, but why didn’t you ask me?

A．could show                      B．were to show

C．had shown                            D．would have shown

20、After graduating from a famous university, Susan _____ painting as a profession, but soon lost interest.

A．took up          B．saved up          C．kept up           D．drew up

19、—Why was a special meeting held?

—______ a new chairman.

A．Choose           B．Choosing        C．To choose         D．Chose

18、Not until all fish died in the river ______ how serious the pollution was.

A．did the villagers realize                       B．the villagers realized

C．the villagers did realized                      D．didn’t the villagers realize

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

A．Being examined                       B．Examined

C．Examining                          D．Having been examined

16、He has been ____ to the general manager because of his excellent work in the company.

A．proposed               B．produced               C．promoted              D．programmed

15、I don’t mind going with you to pick up your things from the store. ______, the walk will do me good.

A．Sooner or later         B．Still           C．In time          D．Besides

14、—You have done very well.

—________.

A．Not at all       B．All right    C．Far from it                  D．That’s right