--- The young man spent as much time as he _______ the experiments.
--- No wonder he succeeded _______.
A.did; by the end | B.could doing; in the end |
C.could doing; at the end | D.could to do; in the end |
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--- The young man spent as much time as he _______ the experiments.
--- No wonder he succeeded _______.
A.did; by the end | B.could doing; in the end |
C.could doing; at the end | D.could to do; in the end |