白天羽

1 He said it would  be possible to build a platform in the centry of the channel.
2 He suggested that the dubble railway tunnel should be built .
3 It was officially opened on March seventh 1994,finally connecting Britain to the European continent.

白天羽

2. He suggested that a double railway-tunnel should be built.

白天羽

2. He suggested that a double railway-tunnel should be built.