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