(2013·北京,26)—What do you think of teaching,Bob?
—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.
A.where B.which C.when D.that
(2013·福建,24)It's helpful to put children in a situation ________ they can see themselves differently.
A.that B.when C.which D.where
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