填字成词。
豺狼虎____ 东冲____决
mine,is,yellow,picture,the(.)
____
外出旅游,照相机是我们必备的工具,它能记录我们沿途所见的美丽风光,在照相机构造中有一个关键的成像光学元件,它相当于一个( )
Progress so far has been very good. We are,________,confident that the work will be completed on time.