There were two boys in the lab, _______ did the experiment successfully.
A.the clever of whom | B.the cleverer of whom |
C.the cleverer of them | D.the more clever of them |
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There were two boys in the lab, _______ did the experiment successfully.
A.the clever of whom | B.the cleverer of whom |
C.the cleverer of them | D.the more clever of them |