没有1d,是2d...
Rick：Hi,Helen.Long time no see.
Helen:Hi,Rick.Yes,I was on vacation last month.
Rick:Oh,did you go anywhere interesting?
Helen:Yes,I went to Guizhou with my family.
Rick:Wow!Did you see Huangguoshu Waterfall?
Helen:Yes,I did.It was wonderful!We took quite a few photos there.What about you?Did you do anything special last month?
Rick:Not really.I just stayed at home most of the time to read and relax.