No one is sure of the extent ________ this will affect business．

       A．which                B．when                  C．by which            D．to which 

 As a result of multi-media used in teaching, not only _______, but students become more interested in the lessons．

       A．saved is teachers’ energy                 B．is teachers’ energy saved

       C．teachers’ energy is saved                 D．is saved teachers’ energy

 It _______ he died ________ people gave him credit for his work．

       A．was until; when                                B．was until; that   

       C．wasn’t until; when                           D．wasn’t until; that

 I thought her nice and honest _________I met her．

       A．first time                                           B．for the first time                         

       C．the first time                                      D．by the first time

 The policeman took the thief _________ and forced him into the car beside．

       A．by the arm        B．on the arm          C．by his arm          D．on his arm

 To get well-prepared for his wedding ceremony, the bridegroom is said to _________an order for a tailor-made suit the other day．

       A．place              B．cancel               C．have placed      D．have cancelled

 Information has been put forward that more middle school graduates will be ________into universities．

       A．admitted           B．accepted           C．permitted          D．allowed

 It’s bad manners to _________others while they are having a conversation．

       A．ask               B．interrupt             C．shout               D．doubt

 After a long journey, my legs _________ under me and I couldn’t walk any farther．

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

 I wonder how it _________that he studied very hard but didn’t pass this important exam．

       A．came up            B．came out         C．came over        D．came about