1.That's - those are
2.in
3.for还有翻译：1.来为你自己买一条裙子吧！Come and ______a skirt____________.2.这些鞋的价格非常合理。These shoes are ___________________ _______________.1.buy... for you2. soldat a reasonableprice为什么要用sold？be + 过去分词“被动语态”