To qualify for a promotion, （）to exceed the quota.A、the best thing he could do wasB、he did his bestC、all he could do wasD、his best thing was
题目
To qualify for a promotion, （）to exceed the quota.
- A、the best thing he could do was
- B、he did his best
- C、all he could do was
- D、his best thing was
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参考答案和解析
正确答案:B