The harder he worked, the most troubles he had in his early days as a scientist.
A. worked
B. the most
C. he had
D. as a scientist
A. worked
B. the most
C. he had
D. as a scientist
【答案】
A. worked
B. the most
C. he had
D. as a scientist
A. worked
B. the most
C. he had
D. as a scientist
【答案】
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