问题

I became more and more excited, trying to work out ____ Mom was taking us on holiday.

A:where was it that
B:it was where that
C:where it was that
D:was it where that

正确答案是：

同类题型

The young dancers looked so charming in their beautiful clothes that we took __ pictures of them

The infrastructure of a country is 　　　　 makes everything run smoothly， including things like transport， irrigation， electricity， postal service， telephones and schools.

________cash crops will be producednext year is not yet decided

Catherine keeps practicing theviolin in this way, she______to make a famous violinist.

填入下面一段横线处的语句，衔接最恰当的一组是（）（3分）你是否想到，人造卫星的控温系统的设计灵感竟来自小小的蝴蝶。科学家据此为人造地球卫星设计了一种犹如蝴蝶的控温系统。①当气温上升阳光直射时，鳞片自动张开，以改变阳光辐射的角度，从而减少对来自太阳的阳光热能的吸收 ②在阴影区域，卫星表面的温度会下降到200摄氏度左右，这对卫星上的精密仪器仪表的危害极大③当外界气温下降时，鳞片自动闭合，让阳光直射鳞片，把体温控制在正常范围内④当受到阳光的强烈照射时，卫星表面的温度会高达2000摄氏度 ⑤人们发现，蝴蝶身体表面生长着一层细小的鳞片，这些鳞片有调节体温的作用