当雨落下来时,她正在做作业用英语怎么说 _____ the rain _____ ____,she was ______ ______ _____.

问题描述:

当雨落下来时,她正在做作业用英语怎么说 _____ the rain _____ ____,she was ______ ______ _____.

正确答案是:
When the rain fell down,she was doing her homework.
fall down落下来