Without facts,we cannot form a worthwhile opinion,for we need to have factual knowledge ______ our thinking.
A.upon which to base | B.which to be based on |
C.which to base on | D.to which to be based on |
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Without facts,we cannot form a worthwhile opinion,for we need to have factual knowledge ______ our thinking.
A.upon which to base | B.which to be based on |
C.which to base on | D.to which to be based on |