I will have left for America by the time he arrives

I will have left for America by the time he arrives by the time he arrives in tianjing,we would have stayed for by the time he______,i will have left 选择题 翻译By the time he comes,I'll have left.( By the time he came, by the time he arrives in beijing ,we ___here for two days By the time he arrives in Beijing.we__here for two days? 解析四级英语语法题1.By the time he arrives in Beijing,we ( )here for by the time he arrives in beijing,we_here for two days. By the time he arrives in Beijing, we ________ here for two by the time he arrives in beijing,we ___ here for 2 days He will have learned English for 8 years by the time he----- He will have learned English for eight years by the time he