应该填put on,因为wear表示状态,指“穿着”,如：She never wears green.她从不穿绿色的衣服.而put on则是指“穿上”的动作,如：The man put on his smock and went out.那人穿上罩衫,然后走了出去.这句话的意思是“我认为我会穿上这条美丽的裙子.”所以应该用put on