这两题为什么这么做?the lady is always----in white at the party.a.wear

这两题为什么这么做?the lady is always____in white at the party.a.wearingb.dressingc.wornd.dressed答案是d、不能理解、、T my mother often tells me not to send a photo of______to someone whom i talk with on the internet.(i)我写的是mine、但答案是myself、为什么呢?