九年级英语全册 Unit 6 When was it invented练习2 （新版）人教新目标版
Unit 6 When was it invented?基础导练一、用所给单词的适当形式填空。1.These pictures ________ (take) when we took a trip
九年级英语全册 Unit 6 When was it invented练习2 （新版）人教新目标版九年级英语全册 Unit 6 When was it invented练习2 （新版）人教新目标版九年级英语全册 Unit 6 When was it invented练习2 （新版）人教新目标版