Question

In which country was the Gotthard base tunnel, the world's longest and deepest rail tunnel has officially opened on June 1?
Germany
Japan
Switzerland
Taiwan
USA

Answer 1

Taiwan is answer and do you have another question please tell me

Answer 2

Question:-

In which country was the Gotthard base tunnel, the world's longest and deepest rail tunnel has officially opened on June 1?

Germany

Japan

Switzerland

Taiwan

USA

Answer:-

The Gotthard rail tunnel was officially opened on June 1 in Switzerland.