(4/7)re experience.a.As b.Till c.If d.While 5.Jack had traveled six miles across the Chan...
问题描述：
(4/7)re experience.a.As b.Till c.If d.While 5.Jack had traveled six miles across the Chan...
(4/7)re experience.
a.As b.Till c.If d.While
5.Jack had traveled six miles across the Channel ___ his engine failed and was forced to land on the sea.
a
答
Jack had traveled six miles across the Channel till his engine failed and was forced to land on the sea.