________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
A.As; whom | B.What; whose | C.It; whose | D.What; whom |
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________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
A.As; whom | B.What; whose | C.It; whose | D.What; whom |
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