---Jack failed the driving test again． ---The question is_____ we can help him a

题干

---Jack failed the driving test again．
---The question is_____ we can help him avoid making the same mistake．

A．how

B．why

C．what

D．whom

上一题下一题 0.4难度单项选择更新时间:2012-06-25 07:40:00

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