That is _____ paper came into use in China.
A. how
B. that
C. what
D. which
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I remember _____ this used to be a quiet village.
A. when
B. how
C. where
D. what
All ____ is a continuous supply of the basic necessities of life.
A. what is needed
B. for out needs
C. the thing needed
D. that is needed
I have made it clear ____ I will never go back there.
A. when
B. that
C. where
D. however
The people of the party were worried about Janet because no one knew _____ she had gone.
A. there
B. where
C. in which
D. the place where
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