14．This is our contribution to______world of the 21st century, world of independence and mutual understanding.
| A．a; a | B．the; the | C．a; the | D．the; a |
----Do you doubt _______ she can run the race?
---- Yes, I doubt _______ she can run against Liu Xiang
| A．that; whether | B．whether; that | C．that; that | D．whether; if |
I shall never forget those years ______ I worked in the factory with the workers,
______ has a great effect on my life.
| A．when, that | B．which, which | C．in which, when | D．in which, which |
Finding a new job as an operator was the reason _______ I moved.
| A．at that | B．in which | C．on which | D．for which |
Peter went to a concert _______ his favourite band played and sang.
| A．which | B．for which | C．at which | D．in which |
I like my music teacher ______ I have great respect.
| A．whom | B．for whom | C．to who | D．who |