I’ve talked a lot about walking. I want to say it is a cheap safe and enjoyable form of

问题补充：

I’ve talked a lot about walking., I want to say it is a cheap, safe and enjoyable form of exercise.

A. In detail

B. In conclusion

C. In effect

D. In reality

答案：

A. In detail

(答案→)B. In conclusion

C. In effect

D. In reality

解析：考查短语辨析A详细地B最后C实际上D 事实上。根据题意 我谈论许多关于散步的事，最后 ，我想说这是一种健康环保的锻炼方式。故选B项。

考点 短语辨析。