How long will this item be on display?这件展品将展出多长时间？

今天的几个句子是发生在美术馆的：1.When do you think this painting was finished?你认为这幅画是何时完成的？2.What kind of art is on display here?这里展出的是哪种艺术品.3.When will the museum's most recent acquisition be on display?这座博物馆何时展出它的最新收藏？4.Watercolors just seem to soften the atmosphere in a room.水彩画似乎能使市内气氛和谐。