题目内容
He works as an engineer now, but he________ on a farm for three years.
[ ]
A. has worked
B. worked
C. was working
D. had worked
B. worked
C. was working
D. had worked
B
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It isn't so much whether he works hard; the question is whether he works _____.
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A．above all |
B．in all |
C．at all |
D．after all |