When Smurfette_____(land) in the middle of New York city,shewas very excited.横线上应填什么?

问题描述:

When Smurfette_____(land) in the middle of New York city,shewas very excited.横线上应填什么?

landed为什么啊?L要大写吗?不要,后面she was,过去式,前面也应该是过去式