20、Could you tell me ______ it was ______ the accident occurred?

A．where；that    B．which；that     C．that; where     D．where：which

19、一Amazing! You ______ wear slippers at work!  

一Don't，you know it's a fashion? 

A．must    B．should     C．can     D．may

18、Take an active part in the activities you enjoy ______ you can make many friends．

A．where     B  when     C．that    D．what 

17、Rome was not built in a day．You should set ______ goals and work hard to achieve them．

A．alternative     B．considerable   C．subjective      D．realistic

16、People tend to think that children's IQ is ______ determines how well they are going to do in their future life．

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

15、一How long have you been in this office?

一Just a few minutes．I ______ here together with my cousin．

A．have walked                             B．had walked

C．have been walking                    D．walked

14、We should look up to him as a shinning example of ______ to duty．

A．devotion    B．privilege    C．responsibility    D．burden 

13、一Why are you making so much noise?

一I just can't help ______．

A．so    B．that    C．this    D．it

12、The society today offers the young generation  more chances to  ______ their talent and skills．

A．give out    B．take in     C．show off      D．carry on

11、The manager finished the whole day's work and stood up, ______ himself．

A．stretching     B．stretched    C．stretch     D．to stretch