过去式的对话线部分提问怎么改，例如：I got to the shopping （mall -at 6 o'clock.）对括号里的提问

When and where did you get the shopping?

你的括号括的好像不对吧？
要么是(the shopping mall at 6 o'clock)，要么是(at 6 o'clock)
如果是前者的话，有逻辑上错误，
如果是后者的话，就可以说的通了，提问：
When did you get to the shopping mall?
你什么时候到达的商场？