Once upon a time,a(n)________famous scientist said that life was not easy for any of us but first of all we should believe in ourselves.
A.another | B.sure |
C.some | D.certain |
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Once upon a time,a(n)________famous scientist said that life was not easy for any of us but first of all we should believe in ourselves.
A.another | B.sure |
C.some | D.certain |
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