Whatever is left over may be put into the refrigerator，________ it will keep for two or three weeks.(2011·安徽)
A．when B．which C．where D．while
Sales director is a position ________ communication ability is just as important as sales skills.(2012·重庆)
A．which B．that C．when D．where
(2010·山东)That's the new machine ________ parts are too small to be seen.
A．that B．which C．whose D．what
(2011·新课标全国)The prize will go to the writer ________ story shows the most imagination.
A．that B．which C．whose D．what
The old temple ________ roof was damaged in a storm is now under repair.(2010·陕西)
A．where B．which C．its D．whose
I wish to thank Professor Smith，without ________ help I would never have got this far.(2012·天津)
A．who B．whose C．whom D．which
