do you remember how long ago ___to China?a.have you traveled b.you have traveled c.did you traeled
问题描述：
do you remember how long ago ___to China?a.have you traveled b.you have traveled c.did you traeled
d.you traveled
答
d 首先,how long ago 用于过去时,其次,宾语从句用陈述语序 希望我的回答能够帮到你,欢迎追问.