I _____ some washing when you called me last night.
句意：当你昨天晚上给我打电话的时候，我正在洗衣服。根据本题语境可知，要用过去进行时，且主语是I，故答案为选项A。
根据句意和首写字母提示写出所缺的单词。
1.They are going to take the plane to London. Now they are on the way to the a.
2.The teacher told us that the sun rises in the east and sets in the w.
3.Could you please tell me how to get to the nearest?
4.She kept walking fourdown High Street.
5.The result was(出乎意料的）and nobody believe it.
— I lost my bike yesterday and I had to walk home.
— _____.
句意为：——昨天我丢了我的自行车，我不得不步行回家。——很抱歉听到这件事。选项A项意为“没关系”；选项B意为“不用谢”；选项C项意为“很抱歉听到这件事”；选项D项意为“别紧张”。根据语境，故选选项C。