-- How do you get there? I to the shop.A on foot B by bikeC by busD walk

问题补充：

-- How do you get there?

-- I to the shop.

A on foot

B by bike

C by bus

D walk

答案：

解析：本题问的是交通方式，ABC是介词短语，不能直接作谓语，需和动词连接，walk是动词可以，故本题选D。