单选题When the Greens moved&nbs

问题补充：

单选题WhentheGreensmovedintothehouselastweek,____wasatsixesandsevens,sotheydidabigcleaning.A.somethingB.everythingC.anythingD.nothing

答案：

B解析通过情景来进行词汇辨析，根据at sixes and sevens“杂乱无章”和they did a big cleaning可知。