23、When ________ why he went there , the astronaut said he was sent there to be trained for a space flight .  

A. asking               B. being asked        C. asked                       D. having asked

22、Once entering the university , the students are not expected to devote all their hours to studying .  ________ , they should learn to divide their time between clubs and studies .  

A. What’s more             B. Therefore                 C. In addition         D. Otherwise

21、Having sent several mails to apply for jobs , Susan waited for a reply , but _______ came .  

A. none                        B. neither               C. nothing                    D. nobody

20、Dan’s new shirt didn’t fit , so he took it back to the store ________ he’d bought it .  

       A. that                          B. when                       C. which               D. where

19、You have to decide which school to choose .  You can’t postpone _______ that decision much longer .  

       A. to make                    B. make                        C. made                       D. making

18、Before I realized what ________ , the man had seized my bag and run off with it .  

A. happened                                             B. will have happened

C. was happening                                     D. had happened

17、―Hello , Ben .  I’m just checking if you can pick up Mary at the airport this evening.  

― Oh , yes , I __________ you about that .  But I have to go to my daughter’s school play .  

A. will phone                                                   B. have phoned

C. am phoning                                                 D. was going to phone

16、Linda’s German is really good .  I _______ by the way she talked to those people we met on holiday last year .

A. will be impressed                                         B. was impressed

C. was impressing                                            D. have impressed

15、 _________ people in Sichuan have the earthquake , they are still facing a not of financial problems

       A. As if                 B. Even though             C. As long as                D. Ever since

14、― How can I prepare for class , Mr .  Johnson ?

― ________ you ________ my web page ? You can download the notes and read them ahead of time

A. Have … checked out                                  B. Did … check out

C. Are … checking out                                   D. Will … check out