细分市场分析:Hardly ____ down when he stepped in.

Hardly ____ down when he stepped in. ____ men have learned much from the behavior of animals is hardly new. ____ men have learned much from the behavior of animals is hardly new. 42. ____ them arrive, he went down to meet them. A car broke down and that was ____ caused the traffic jam. The cat ____ ____(跳下）the tree when it saw a boy throw at it.空里是填jumped down 还是jumped off hardly everS是什么意识? hardly...when...是什么意思？ hardly的反义词 句型 hardly.....when