完成句子。8W4x1o.~2A*k4F'Y
He thinks the fastest way to travel is by plane. （对画线部分提问）8W4x1o.~2A*k4F'Y
1Y-~.e3i5v,u+K;i9b:}5b)} does he think 7x-o+F.@6c,q:b+u6^.V'_ the fastest way to travel?8W4x1o.~2A*k4F'Y