Which is the longest Road Tunnel in the world ?
A. Gotthard
B. Tiantaishan
C. Laerdal
D. None of them
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A. Gotthard
B. Tiantaishan
C. Laerdal
D. None of them
A. Canada
B. USA
C. China
D. Norway
A. France & England
B. Japan & South Korea
C. USA & Canada
D. England & USA
A. Neither land
B. France
C. Finland
D. Belgium