Bob r____ his aunt when she walked out of the door at the airport yesterday.怎么填空 用过去式吗 谢
问题描述：
Bob r____ his aunt when she walked out of the door at the airport yesterday.怎么填空 用过去式吗 谢
答
rang
过去式
意思是：Bob昨天打电话给她阿姨，这时她阿姨正走出机场的门。
答
用过去式
因为是一个完整的句子.when后面是一个完整的时间状语从句,只需要看bob rang his aunt就行.其他都是修饰语.